Home / 731,194,292.47-1,008,962,996.76-409,339,883.68

Finding the Fourth Proportional to 731,194,292.47, 1,008,962,996.76 and 409,339,883.68

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Solution

The fourth proportional to 731,194,292.47, 1,008,962,996.76 and 409,339,883.68 is: 564,841,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,194,292.47 : 1,008,962,996.76 = 409,339,883.68 : x
  2. Step 2: Convert to fraction form
    731,194,292.47/1,008,962,996.76 = 409,339,883.68/x
  3. Step 3: Cross multiply
    731,194,292.47x = 1,008,962,996.76 × 409,339,883.68
  4. Step 4: Simplify right side
    731,194,292.47x = 413,008,795,724,071,104
  5. Step 5: Solve for x
    x = 413,008,795,724,071,104/731,194,292.47
  6. Step 6: Final answer
    x = 564,841,383.44

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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.