Home / 498,636,087.40-747,954,131.10-314,970,077.80

Finding the Fourth Proportional to 498,636,087.40, 747,954,131.10 and 314,970,077.80

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Solution

The fourth proportional to 498,636,087.40, 747,954,131.10 and 314,970,077.80 is: 472,455,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,636,087.40 : 747,954,131.10 = 314,970,077.80 : x
  2. Step 2: Convert to fraction form
    498,636,087.40/747,954,131.10 = 314,970,077.80/x
  3. Step 3: Cross multiply
    498,636,087.40x = 747,954,131.10 × 314,970,077.80
  4. Step 4: Simplify right side
    498,636,087.40x = 235,583,170,863,398,432
  5. Step 5: Solve for x
    x = 235,583,170,863,398,432/498,636,087.40
  6. Step 6: Final answer
    x = 472,455,116.70

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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.