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Finding the Fourth Proportional to 639,249,394.32, 958,917,394.08 and 224,675,813.16

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Solution

The fourth proportional to 639,249,394.32, 958,917,394.08 and 224,675,813.16 is: 337,028,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,249,394.32 : 958,917,394.08 = 224,675,813.16 : x
  2. Step 2: Convert to fraction form
    639,249,394.32/958,917,394.08 = 224,675,813.16/x
  3. Step 3: Cross multiply
    639,249,394.32x = 958,917,394.08 × 224,675,813.16
  4. Step 4: Simplify right side
    639,249,394.32x = 215,445,545,268,192,192
  5. Step 5: Solve for x
    x = 215,445,545,268,192,192/639,249,394.32
  6. Step 6: Final answer
    x = 337,028,939.23

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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.