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Finding the Fourth Proportional to 488,544,008.80, 732,816,013.20 and 343,141,751.20

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Solution

The fourth proportional to 488,544,008.80, 732,816,013.20 and 343,141,751.20 is: 514,712,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,544,008.80 : 732,816,013.20 = 343,141,751.20 : x
  2. Step 2: Convert to fraction form
    488,544,008.80/732,816,013.20 = 343,141,751.20/x
  3. Step 3: Cross multiply
    488,544,008.80x = 732,816,013.20 × 343,141,751.20
  4. Step 4: Simplify right side
    488,544,008.80x = 251,459,770,076,850,336
  5. Step 5: Solve for x
    x = 251,459,770,076,850,336/488,544,008.80
  6. Step 6: Final answer
    x = 514,712,626.80

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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.