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Finding the Fourth Proportional to 543,393,604.08, 813,559,768.20 and 488,293,801.20

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Solution

The fourth proportional to 543,393,604.08, 813,559,768.20 and 488,293,801.20 is: 731,065,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,393,604.08 : 813,559,768.20 = 488,293,801.20 : x
  2. Step 2: Convert to fraction form
    543,393,604.08/813,559,768.20 = 488,293,801.20/x
  3. Step 3: Cross multiply
    543,393,604.08x = 813,559,768.20 × 488,293,801.20
  4. Step 4: Simplify right side
    543,393,604.08x = 397,256,191,717,768,896
  5. Step 5: Solve for x
    x = 397,256,191,717,768,896/543,393,604.08
  6. Step 6: Final answer
    x = 731,065,269.70

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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.