Home / 572,881,634.91-789,951,053.48-386,919,795.87

Finding the Fourth Proportional to 572,881,634.91, 789,951,053.48 and 386,919,795.87

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Solution

The fourth proportional to 572,881,634.91, 789,951,053.48 and 386,919,795.87 is: 533,526,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,881,634.91 : 789,951,053.48 = 386,919,795.87 : x
  2. Step 2: Convert to fraction form
    572,881,634.91/789,951,053.48 = 386,919,795.87/x
  3. Step 3: Cross multiply
    572,881,634.91x = 789,951,053.48 × 386,919,795.87
  4. Step 4: Simplify right side
    572,881,634.91x = 305,647,700,357,838,464
  5. Step 5: Solve for x
    x = 305,647,700,357,838,464/572,881,634.91
  6. Step 6: Final answer
    x = 533,526,791.11

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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.