Home / 437,549,645.60-655,913,895.60-165,103,488.80

Finding the Fourth Proportional to 437,549,645.60, 655,913,895.60 and 165,103,488.80

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Solution

The fourth proportional to 437,549,645.60, 655,913,895.60 and 165,103,488.80 is: 247,500,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,549,645.60 : 655,913,895.60 = 165,103,488.80 : x
  2. Step 2: Convert to fraction form
    437,549,645.60/655,913,895.60 = 165,103,488.80/x
  3. Step 3: Cross multiply
    437,549,645.60x = 655,913,895.60 × 165,103,488.80
  4. Step 4: Simplify right side
    437,549,645.60x = 108,293,672,515,958,976
  5. Step 5: Solve for x
    x = 108,293,672,515,958,976/437,549,645.60
  6. Step 6: Final answer
    x = 247,500,309.06

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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.