Home / 513,876,335.28-770,844,218.04-145,380,419.52

Finding the Fourth Proportional to 513,876,335.28, 770,844,218.04 and 145,380,419.52

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Solution

The fourth proportional to 513,876,335.28, 770,844,218.04 and 145,380,419.52 is: 218,079,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,876,335.28 : 770,844,218.04 = 145,380,419.52 : x
  2. Step 2: Convert to fraction form
    513,876,335.28/770,844,218.04 = 145,380,419.52/x
  3. Step 3: Cross multiply
    513,876,335.28x = 770,844,218.04 × 145,380,419.52
  4. Step 4: Simplify right side
    513,876,335.28x = 112,065,655,803,221,552
  5. Step 5: Solve for x
    x = 112,065,655,803,221,552/513,876,335.28
  6. Step 6: Final answer
    x = 218,079,035.97

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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.