Home / 418,078,332.95-627,076,976.94-126,948,014.82

Finding the Fourth Proportional to 418,078,332.95, 627,076,976.94 and 126,948,014.82

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Solution

The fourth proportional to 418,078,332.95, 627,076,976.94 and 126,948,014.82 is: 190,409,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,078,332.95 : 627,076,976.94 = 126,948,014.82 : x
  2. Step 2: Convert to fraction form
    418,078,332.95/627,076,976.94 = 126,948,014.82/x
  3. Step 3: Cross multiply
    418,078,332.95x = 627,076,976.94 × 126,948,014.82
  4. Step 4: Simplify right side
    418,078,332.95x = 79,606,177,361,859,920
  5. Step 5: Solve for x
    x = 79,606,177,361,859,920/418,078,332.95
  6. Step 6: Final answer
    x = 190,409,717.72

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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.