Home / 448,327,043.72-672,684,790.61-240,823,352.55

Finding the Fourth Proportional to 448,327,043.72, 672,684,790.61 and 240,823,352.55

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Solution

The fourth proportional to 448,327,043.72, 672,684,790.61 and 240,823,352.55 is: 361,339,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,327,043.72 : 672,684,790.61 = 240,823,352.55 : x
  2. Step 2: Convert to fraction form
    448,327,043.72/672,684,790.61 = 240,823,352.55/x
  3. Step 3: Cross multiply
    448,327,043.72x = 672,684,790.61 × 240,823,352.55
  4. Step 4: Simplify right side
    448,327,043.72x = 161,998,206,484,697,024
  5. Step 5: Solve for x
    x = 161,998,206,484,697,024/448,327,043.72
  6. Step 6: Final answer
    x = 361,339,358.75

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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.