Home / 747,680,914.80-1,121,521,372.20-360,260,425.80

Finding the Fourth Proportional to 747,680,914.80, 1,121,521,372.20 and 360,260,425.80

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Solution

The fourth proportional to 747,680,914.80, 1,121,521,372.20 and 360,260,425.80 is: 540,390,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,680,914.80 : 1,121,521,372.20 = 360,260,425.80 : x
  2. Step 2: Convert to fraction form
    747,680,914.80/1,121,521,372.20 = 360,260,425.80/x
  3. Step 3: Cross multiply
    747,680,914.80x = 1,121,521,372.20 × 360,260,425.80
  4. Step 4: Simplify right side
    747,680,914.80x = 404,039,767,092,572,288
  5. Step 5: Solve for x
    x = 404,039,767,092,572,288/747,680,914.80
  6. Step 6: Final answer
    x = 540,390,638.70

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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.