Home / 747,680,915.80-1,121,521,373.70-360,260,426.80

Finding the Fourth Proportional to 747,680,915.80, 1,121,521,373.70 and 360,260,426.80

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Solution

The fourth proportional to 747,680,915.80, 1,121,521,373.70 and 360,260,426.80 is: 540,390,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,680,915.80 : 1,121,521,373.70 = 360,260,426.80 : x
  2. Step 2: Convert to fraction form
    747,680,915.80/1,121,521,373.70 = 360,260,426.80/x
  3. Step 3: Cross multiply
    747,680,915.80x = 1,121,521,373.70 × 360,260,426.80
  4. Step 4: Simplify right side
    747,680,915.80x = 404,039,768,754,484,352
  5. Step 5: Solve for x
    x = 404,039,768,754,484,352/747,680,915.80
  6. Step 6: Final answer
    x = 540,390,640.20

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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.