Home / 443,275,195.20-664,852,431.60-115,776,319.20

Finding the Fourth Proportional to 443,275,195.20, 664,852,431.60 and 115,776,319.20

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Solution

The fourth proportional to 443,275,195.20, 664,852,431.60 and 115,776,319.20 is: 173,648,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,275,195.20 : 664,852,431.60 = 115,776,319.20 : x
  2. Step 2: Convert to fraction form
    443,275,195.20/664,852,431.60 = 115,776,319.20/x
  3. Step 3: Cross multiply
    443,275,195.20x = 664,852,431.60 × 115,776,319.20
  4. Step 4: Simplify right side
    443,275,195.20x = 76,974,167,341,817,776
  5. Step 5: Solve for x
    x = 76,974,167,341,817,776/443,275,195.20
  6. Step 6: Final answer
    x = 173,648,713.43

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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.