Home / 8,064,945,643.20-12,097,418,464.80-3,478,474,219.20

Finding the Fourth Proportional to 8,064,945,643.20, 12,097,418,464.80 and 3,478,474,219.20

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Solution

The fourth proportional to 8,064,945,643.20, 12,097,418,464.80 and 3,478,474,219.20 is: 5,217,711,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,945,643.20 : 12,097,418,464.80 = 3,478,474,219.20 : x
  2. Step 2: Convert to fraction form
    8,064,945,643.20/12,097,418,464.80 = 3,478,474,219.20/x
  3. Step 3: Cross multiply
    8,064,945,643.20x = 12,097,418,464.80 × 3,478,474,219.20
  4. Step 4: Simplify right side
    8,064,945,643.20x = 42,080,558,248,680,841,216
  5. Step 5: Solve for x
    x = 42,080,558,248,680,841,216/8,064,945,643.20
  6. Step 6: Final answer
    x = 5,217,711,328.80

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Double scale
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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.