Home / 731,625,474.84-1,009,644,261.30-397,098,117.48

Finding the Fourth Proportional to 731,625,474.84, 1,009,644,261.30 and 397,098,117.48

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Solution

The fourth proportional to 731,625,474.84, 1,009,644,261.30 and 397,098,117.48 is: 547,996,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,625,474.84 : 1,009,644,261.30 = 397,098,117.48 : x
  2. Step 2: Convert to fraction form
    731,625,474.84/1,009,644,261.30 = 397,098,117.48/x
  3. Step 3: Cross multiply
    731,625,474.84x = 1,009,644,261.30 × 397,098,117.48
  4. Step 4: Simplify right side
    731,625,474.84x = 400,927,835,486,715,200
  5. Step 5: Solve for x
    x = 400,927,835,486,715,200/731,625,474.84
  6. Step 6: Final answer
    x = 547,996,002.43

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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.