Home / 5,458,756,638.40-8,188,134,957.60-4,551,763,998.40

Finding the Fourth Proportional to 5,458,756,638.40, 8,188,134,957.60 and 4,551,763,998.40

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Solution

The fourth proportional to 5,458,756,638.40, 8,188,134,957.60 and 4,551,763,998.40 is: 6,827,645,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,756,638.40 : 8,188,134,957.60 = 4,551,763,998.40 : x
  2. Step 2: Convert to fraction form
    5,458,756,638.40/8,188,134,957.60 = 4,551,763,998.40/x
  3. Step 3: Cross multiply
    5,458,756,638.40x = 8,188,134,957.60 × 4,551,763,998.40
  4. Step 4: Simplify right side
    5,458,756,638.40x = 37,270,457,914,044,186,624
  5. Step 5: Solve for x
    x = 37,270,457,914,044,186,624/5,458,756,638.40
  6. Step 6: Final answer
    x = 6,827,645,997.60

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Half scale
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Double scale
Find fourth proportional to 5,458,756,639.40, 8,188,134,959.10 and 4,551,763,999.40
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.