Home / 621,602,535.68-857,807,135.44-339,344,976.46

Finding the Fourth Proportional to 621,602,535.68, 857,807,135.44 and 339,344,976.46

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Solution

The fourth proportional to 621,602,535.68, 857,807,135.44 and 339,344,976.46 is: 468,293,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,602,535.68 : 857,807,135.44 = 339,344,976.46 : x
  2. Step 2: Convert to fraction form
    621,602,535.68/857,807,135.44 = 339,344,976.46/x
  3. Step 3: Cross multiply
    621,602,535.68x = 857,807,135.44 × 339,344,976.46
  4. Step 4: Simplify right side
    621,602,535.68x = 291,092,542,181,410,048
  5. Step 5: Solve for x
    x = 291,092,542,181,410,048/621,602,535.68
  6. Step 6: Final answer
    x = 468,293,685.23

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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.