Home / 406,947,640.20-610,458,785.10-134,319,006.60

Finding the Fourth Proportional to 406,947,640.20, 610,458,785.10 and 134,319,006.60

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Solution

The fourth proportional to 406,947,640.20, 610,458,785.10 and 134,319,006.60 is: 201,490,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,947,640.20 : 610,458,785.10 = 134,319,006.60 : x
  2. Step 2: Convert to fraction form
    406,947,640.20/610,458,785.10 = 134,319,006.60/x
  3. Step 3: Cross multiply
    406,947,640.20x = 610,458,785.10 × 134,319,006.60
  4. Step 4: Simplify right side
    406,947,640.20x = 81,996,217,584,874,880
  5. Step 5: Solve for x
    x = 81,996,217,584,874,880/406,947,640.20
  6. Step 6: Final answer
    x = 201,490,829.49

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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.