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Finding the Fourth Proportional to 504,283,636.32, 754,874,017.80 and 329,029,304.40

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Solution

The fourth proportional to 504,283,636.32, 754,874,017.80 and 329,029,304.40 is: 492,531,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,283,636.32 : 754,874,017.80 = 329,029,304.40 : x
  2. Step 2: Convert to fraction form
    504,283,636.32/754,874,017.80 = 329,029,304.40/x
  3. Step 3: Cross multiply
    504,283,636.32x = 754,874,017.80 × 329,029,304.40
  4. Step 4: Simplify right side
    504,283,636.32x = 248,375,672,986,367,200
  5. Step 5: Solve for x
    x = 248,375,672,986,367,200/504,283,636.32
  6. Step 6: Final answer
    x = 492,531,692.68

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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.