Home / 381,943,265.07-572,507,016.64-217,827,641.26

Finding the Fourth Proportional to 381,943,265.07, 572,507,016.64 and 217,827,641.26

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Solution

The fourth proportional to 381,943,265.07, 572,507,016.64 and 217,827,641.26 is: 326,508,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,943,265.07 : 572,507,016.64 = 217,827,641.26 : x
  2. Step 2: Convert to fraction form
    381,943,265.07/572,507,016.64 = 217,827,641.26/x
  3. Step 3: Cross multiply
    381,943,265.07x = 572,507,016.64 × 217,827,641.26
  4. Step 4: Simplify right side
    381,943,265.07x = 124,707,853,039,490,768
  5. Step 5: Solve for x
    x = 124,707,853,039,490,768/381,943,265.07
  6. Step 6: Final answer
    x = 326,508,841.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.