Home / 553,321,841.46-763,936,304.85-344,784,347.70

Finding the Fourth Proportional to 553,321,841.46, 763,936,304.85 and 344,784,347.70

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Solution

The fourth proportional to 553,321,841.46, 763,936,304.85 and 344,784,347.70 is: 476,021,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,321,841.46 : 763,936,304.85 = 344,784,347.70 : x
  2. Step 2: Convert to fraction form
    553,321,841.46/763,936,304.85 = 344,784,347.70/x
  3. Step 3: Cross multiply
    553,321,841.46x = 763,936,304.85 × 344,784,347.70
  4. Step 4: Simplify right side
    553,321,841.46x = 263,393,280,552,055,584
  5. Step 5: Solve for x
    x = 263,393,280,552,055,584/553,321,841.46
  6. Step 6: Final answer
    x = 476,021,839.04

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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.