Home / 472,562,904.30-708,844,356.45-127,515,977.70

Finding the Fourth Proportional to 472,562,904.30, 708,844,356.45 and 127,515,977.70

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Solution

The fourth proportional to 472,562,904.30, 708,844,356.45 and 127,515,977.70 is: 191,273,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,562,904.30 : 708,844,356.45 = 127,515,977.70 : x
  2. Step 2: Convert to fraction form
    472,562,904.30/708,844,356.45 = 127,515,977.70/x
  3. Step 3: Cross multiply
    472,562,904.30x = 708,844,356.45 × 127,515,977.70
  4. Step 4: Simplify right side
    472,562,904.30x = 90,388,981,149,849,056
  5. Step 5: Solve for x
    x = 90,388,981,149,849,056/472,562,904.30
  6. Step 6: Final answer
    x = 191,273,966.55

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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.