Home / 816,454,432.15-1,224,341,130.80-256,071,882.47

Finding the Fourth Proportional to 816,454,432.15, 1,224,341,130.80 and 256,071,882.47

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Solution

The fourth proportional to 816,454,432.15, 1,224,341,130.80 and 256,071,882.47 is: 384,001,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,454,432.15 : 1,224,341,130.80 = 256,071,882.47 : x
  2. Step 2: Convert to fraction form
    816,454,432.15/1,224,341,130.80 = 256,071,882.47/x
  3. Step 3: Cross multiply
    816,454,432.15x = 1,224,341,130.80 × 256,071,882.47
  4. Step 4: Simplify right side
    816,454,432.15x = 313,519,338,143,923,008
  5. Step 5: Solve for x
    x = 313,519,338,143,923,008/816,454,432.15
  6. Step 6: Final answer
    x = 384,001,024.18

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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.