Home / 565,687,834.24-780,717,171.32-342,662,972.03

Finding the Fourth Proportional to 565,687,834.24, 780,717,171.32 and 342,662,972.03

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Solution

The fourth proportional to 565,687,834.24, 780,717,171.32 and 342,662,972.03 is: 472,916,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,687,834.24 : 780,717,171.32 = 342,662,972.03 : x
  2. Step 2: Convert to fraction form
    565,687,834.24/780,717,171.32 = 342,662,972.03/x
  3. Step 3: Cross multiply
    565,687,834.24x = 780,717,171.32 × 342,662,972.03
  4. Step 4: Simplify right side
    565,687,834.24x = 267,522,866,240,222,496
  5. Step 5: Solve for x
    x = 267,522,866,240,222,496/565,687,834.24
  6. Step 6: Final answer
    x = 472,916,067.93

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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.