Home / 474,813,615.45-655,279,139.88-298,752,526.56

Finding the Fourth Proportional to 474,813,615.45, 655,279,139.88 and 298,752,526.56

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Solution

The fourth proportional to 474,813,615.45, 655,279,139.88 and 298,752,526.56 is: 412,301,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,813,615.45 : 655,279,139.88 = 298,752,526.56 : x
  2. Step 2: Convert to fraction form
    474,813,615.45/655,279,139.88 = 298,752,526.56/x
  3. Step 3: Cross multiply
    474,813,615.45x = 655,279,139.88 × 298,752,526.56
  4. Step 4: Simplify right side
    474,813,615.45x = 195,766,298,643,670,976
  5. Step 5: Solve for x
    x = 195,766,298,643,670,976/474,813,615.45
  6. Step 6: Final answer
    x = 412,301,358.41

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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.