Home / 488,995,715.86-674,752,778.47-330,570,551.90

Finding the Fourth Proportional to 488,995,715.86, 674,752,778.47 and 330,570,551.90

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Solution

The fourth proportional to 488,995,715.86, 674,752,778.47 and 330,570,551.90 is: 456,145,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,995,715.86 : 674,752,778.47 = 330,570,551.90 : x
  2. Step 2: Convert to fraction form
    488,995,715.86/674,752,778.47 = 330,570,551.90/x
  3. Step 3: Cross multiply
    488,995,715.86x = 674,752,778.47 × 330,570,551.90
  4. Step 4: Simplify right side
    488,995,715.86x = 223,053,398,375,746,752
  5. Step 5: Solve for x
    x = 223,053,398,375,746,752/488,995,715.86
  6. Step 6: Final answer
    x = 456,145,915.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.