Home / 621,602,535.27-857,807,134.88-339,344,976.05

Finding the Fourth Proportional to 621,602,535.27, 857,807,134.88 and 339,344,976.05

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Solution

The fourth proportional to 621,602,535.27, 857,807,134.88 and 339,344,976.05 is: 468,293,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,602,535.27 : 857,807,134.88 = 339,344,976.05 : x
  2. Step 2: Convert to fraction form
    621,602,535.27/857,807,134.88 = 339,344,976.05/x
  3. Step 3: Cross multiply
    621,602,535.27x = 857,807,134.88 × 339,344,976.05
  4. Step 4: Simplify right side
    621,602,535.27x = 291,092,541,635,386,944
  5. Step 5: Solve for x
    x = 291,092,541,635,386,944/621,602,535.27
  6. Step 6: Final answer
    x = 468,293,684.66

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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.