Home / 437,464,983.60-656,449,417.80-165,031,268.40

Finding the Fourth Proportional to 437,464,983.60, 656,449,417.80 and 165,031,268.40

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Solution

The fourth proportional to 437,464,983.60, 656,449,417.80 and 165,031,268.40 is: 247,641,946.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,464,983.60 : 656,449,417.80 = 165,031,268.40 : x
  2. Step 2: Convert to fraction form
    437,464,983.60/656,449,417.80 = 165,031,268.40/x
  3. Step 3: Cross multiply
    437,464,983.60x = 656,449,417.80 × 165,031,268.40
  4. Step 4: Simplify right side
    437,464,983.60x = 108,334,680,059,975,536
  5. Step 5: Solve for x
    x = 108,334,680,059,975,536/437,464,983.60
  6. Step 6: Final answer
    x = 247,641,946.49

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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.