Home / 498,636,086.40-747,954,129.60-314,970,076.80

Finding the Fourth Proportional to 498,636,086.40, 747,954,129.60 and 314,970,076.80

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Solution

The fourth proportional to 498,636,086.40, 747,954,129.60 and 314,970,076.80 is: 472,455,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,636,086.40 : 747,954,129.60 = 314,970,076.80 : x
  2. Step 2: Convert to fraction form
    498,636,086.40/747,954,129.60 = 314,970,076.80/x
  3. Step 3: Cross multiply
    498,636,086.40x = 747,954,129.60 × 314,970,076.80
  4. Step 4: Simplify right side
    498,636,086.40x = 235,583,169,642,989,184
  5. Step 5: Solve for x
    x = 235,583,169,642,989,184/498,636,086.40
  6. Step 6: Final answer
    x = 472,455,115.20

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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.