Home / 437,464,984.60-656,449,419.30-165,031,269.40

Finding the Fourth Proportional to 437,464,984.60, 656,449,419.30 and 165,031,269.40

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Solution

The fourth proportional to 437,464,984.60, 656,449,419.30 and 165,031,269.40 is: 247,641,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,464,984.60 : 656,449,419.30 = 165,031,269.40 : x
  2. Step 2: Convert to fraction form
    437,464,984.60/656,449,419.30 = 165,031,269.40/x
  3. Step 3: Cross multiply
    437,464,984.60x = 656,449,419.30 × 165,031,269.40
  4. Step 4: Simplify right side
    437,464,984.60x = 108,334,680,963,971,856
  5. Step 5: Solve for x
    x = 108,334,680,963,971,856/437,464,984.60
  6. Step 6: Final answer
    x = 247,641,947.99

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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.