Home / 406,945,612.20-610,455,743.10-134,316,978.60

Finding the Fourth Proportional to 406,945,612.20, 610,455,743.10 and 134,316,978.60

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Solution

The fourth proportional to 406,945,612.20, 610,455,743.10 and 134,316,978.60 is: 201,487,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,945,612.20 : 610,455,743.10 = 134,316,978.60 : x
  2. Step 2: Convert to fraction form
    406,945,612.20/610,455,743.10 = 134,316,978.60/x
  3. Step 3: Cross multiply
    406,945,612.20x = 610,455,743.10 × 134,316,978.60
  4. Step 4: Simplify right side
    406,945,612.20x = 81,994,570,982,209,792
  5. Step 5: Solve for x
    x = 81,994,570,982,209,792/406,945,612.20
  6. Step 6: Final answer
    x = 201,487,787.37

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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.