Home / 668,780,272.17-1,002,773,046.15-254,287,403.46

Finding the Fourth Proportional to 668,780,272.17, 1,002,773,046.15 and 254,287,403.46

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Solution

The fourth proportional to 668,780,272.17, 1,002,773,046.15 and 254,287,403.46 is: 381,280,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,780,272.17 : 1,002,773,046.15 = 254,287,403.46 : x
  2. Step 2: Convert to fraction form
    668,780,272.17/1,002,773,046.15 = 254,287,403.46/x
  3. Step 3: Cross multiply
    668,780,272.17x = 1,002,773,046.15 × 254,287,403.46
  4. Step 4: Simplify right side
    668,780,272.17x = 254,992,554,165,158,240
  5. Step 5: Solve for x
    x = 254,992,554,165,158,240/668,780,272.17
  6. Step 6: Final answer
    x = 381,280,017.93

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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.