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Finding the Fourth Proportional to 977,761,161.60, 1,466,641,742.40 and 888,797,938.20

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Solution

The fourth proportional to 977,761,161.60, 1,466,641,742.40 and 888,797,938.20 is: 1,333,196,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,761,161.60 : 1,466,641,742.40 = 888,797,938.20 : x
  2. Step 2: Convert to fraction form
    977,761,161.60/1,466,641,742.40 = 888,797,938.20/x
  3. Step 3: Cross multiply
    977,761,161.60x = 1,466,641,742.40 × 888,797,938.20
  4. Step 4: Simplify right side
    977,761,161.60x = 1,303,548,156,723,175,680
  5. Step 5: Solve for x
    x = 1,303,548,156,723,175,680/977,761,161.60
  6. Step 6: Final answer
    x = 1,333,196,907.30

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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.