Home / 28,522,372,543.40-42,783,558,815.10-13,801,881,996.20

Finding the Fourth Proportional to 28,522,372,543.40, 42,783,558,815.10 and 13,801,881,996.20

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Solution

The fourth proportional to 28,522,372,543.40, 42,783,558,815.10 and 13,801,881,996.20 is: 20,702,822,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,372,543.40 : 42,783,558,815.10 = 13,801,881,996.20 : x
  2. Step 2: Convert to fraction form
    28,522,372,543.40/42,783,558,815.10 = 13,801,881,996.20/x
  3. Step 3: Cross multiply
    28,522,372,543.40x = 42,783,558,815.10 × 13,801,881,996.20
  4. Step 4: Simplify right side
    28,522,372,543.40x = 590,493,630,143,492,521,984
  5. Step 5: Solve for x
    x = 590,493,630,143,492,521,984/28,522,372,543.40
  6. Step 6: Final answer
    x = 20,702,822,994.30

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Half scale
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Double scale
Find fourth proportional to 28,522,372,544.40, 42,783,558,816.60 and 13,801,881,997.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.