Home / 472,552,874.55-708,829,311.83-127,505,947.95

Finding the Fourth Proportional to 472,552,874.55, 708,829,311.83 and 127,505,947.95

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Solution

The fourth proportional to 472,552,874.55, 708,829,311.83 and 127,505,947.95 is: 191,258,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,552,874.55 : 708,829,311.83 = 127,505,947.95 : x
  2. Step 2: Convert to fraction form
    472,552,874.55/708,829,311.83 = 127,505,947.95/x
  3. Step 3: Cross multiply
    472,552,874.55x = 708,829,311.83 × 127,505,947.95
  4. Step 4: Simplify right side
    472,552,874.55x = 90,379,953,338,992,784
  5. Step 5: Solve for x
    x = 90,379,953,338,992,784/472,552,874.55
  6. Step 6: Final answer
    x = 191,258,921.93

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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.