Home / 607,892,719.89-838,892,670.87-329,434,243.43

Finding the Fourth Proportional to 607,892,719.89, 838,892,670.87 and 329,434,243.43

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Solution

The fourth proportional to 607,892,719.89, 838,892,670.87 and 329,434,243.43 is: 454,619,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,892,719.89 : 838,892,670.87 = 329,434,243.43 : x
  2. Step 2: Convert to fraction form
    607,892,719.89/838,892,670.87 = 329,434,243.43/x
  3. Step 3: Cross multiply
    607,892,719.89x = 838,892,670.87 × 329,434,243.43
  4. Step 4: Simplify right side
    607,892,719.89x = 276,359,972,341,287,680
  5. Step 5: Solve for x
    x = 276,359,972,341,287,680/607,892,719.89
  6. Step 6: Final answer
    x = 454,619,644.71

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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.