Home / 618,098,688,021.20-927,148,032,031.80-221,053,589,934.80

Finding the Fourth Proportional to 618,098,688,021.20, 927,148,032,031.80 and 221,053,589,934.80

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Solution

The fourth proportional to 618,098,688,021.20, 927,148,032,031.80 and 221,053,589,934.80 is: 331,580,384,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,021.20 : 927,148,032,031.80 = 221,053,589,934.80 : x
  2. Step 2: Convert to fraction form
    618,098,688,021.20/927,148,032,031.80 = 221,053,589,934.80/x
  3. Step 3: Cross multiply
    618,098,688,021.20x = 927,148,032,031.80 × 221,053,589,934.80
  4. Step 4: Simplify right side
    618,098,688,021.20x = 204,949,400,881,614,324,498,432
  5. Step 5: Solve for x
    x = 204,949,400,881,614,324,498,432/618,098,688,021.20
  6. Step 6: Final answer
    x = 331,580,384,902.20

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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.