Home / 437,220,014.45-655,944,883.52-157,129,208.46

Finding the Fourth Proportional to 437,220,014.45, 655,944,883.52 and 157,129,208.46

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Solution

The fourth proportional to 437,220,014.45, 655,944,883.52 and 157,129,208.46 is: 235,735,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,220,014.45 : 655,944,883.52 = 157,129,208.46 : x
  2. Step 2: Convert to fraction form
    437,220,014.45/655,944,883.52 = 157,129,208.46/x
  3. Step 3: Cross multiply
    437,220,014.45x = 655,944,883.52 × 157,129,208.46
  4. Step 4: Simplify right side
    437,220,014.45x = 103,068,100,340,098,848
  5. Step 5: Solve for x
    x = 103,068,100,340,098,848/437,220,014.45
  6. Step 6: Final answer
    x = 235,735,092.02

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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.