Home / 220,253,712,932.11-303,950,138,462.71-122,593,258,030.79

Finding the Fourth Proportional to 220,253,712,932.11, 303,950,138,462.71 and 122,593,258,030.79

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Solution

The fourth proportional to 220,253,712,932.11, 303,950,138,462.71 and 122,593,258,030.79 is: 169,178,704,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,253,712,932.11 : 303,950,138,462.71 = 122,593,258,030.79 : x
  2. Step 2: Convert to fraction form
    220,253,712,932.11/303,950,138,462.71 = 122,593,258,030.79/x
  3. Step 3: Cross multiply
    220,253,712,932.11x = 303,950,138,462.71 × 122,593,258,030.79
  4. Step 4: Simplify right side
    220,253,712,932.11x = 37,262,237,753,053,355,704,320
  5. Step 5: Solve for x
    x = 37,262,237,753,053,355,704,320/220,253,712,932.11
  6. Step 6: Final answer
    x = 169,178,704,217.98

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1.5x scale

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.