Home / 801,217,651.76-1,105,686,851.50-443,991,395.46

Finding the Fourth Proportional to 801,217,651.76, 1,105,686,851.50 and 443,991,395.46

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Solution

The fourth proportional to 801,217,651.76, 1,105,686,851.50 and 443,991,395.46 is: 612,711,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,217,651.76 : 1,105,686,851.50 = 443,991,395.46 : x
  2. Step 2: Convert to fraction form
    801,217,651.76/1,105,686,851.50 = 443,991,395.46/x
  3. Step 3: Cross multiply
    801,217,651.76x = 1,105,686,851.50 × 443,991,395.46
  4. Step 4: Simplify right side
    801,217,651.76x = 490,915,448,139,258,752
  5. Step 5: Solve for x
    x = 490,915,448,139,258,752/801,217,651.76
  6. Step 6: Final answer
    x = 612,711,723.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.