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Finding the Fourth Proportional to 531,502,242.90, 797,253,364.35 and 497,490,018.90

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Solution

The fourth proportional to 531,502,242.90, 797,253,364.35 and 497,490,018.90 is: 746,235,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,502,242.90 : 797,253,364.35 = 497,490,018.90 : x
  2. Step 2: Convert to fraction form
    531,502,242.90/797,253,364.35 = 497,490,018.90/x
  3. Step 3: Cross multiply
    531,502,242.90x = 797,253,364.35 × 497,490,018.90
  4. Step 4: Simplify right side
    531,502,242.90x = 396,625,591,298,570,048
  5. Step 5: Solve for x
    x = 396,625,591,298,570,048/531,502,242.90
  6. Step 6: Final answer
    x = 746,235,028.35

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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.