Home / 472,392,687.30-708,589,030.95-127,381,190.10

Finding the Fourth Proportional to 472,392,687.30, 708,589,030.95 and 127,381,190.10

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Solution

The fourth proportional to 472,392,687.30, 708,589,030.95 and 127,381,190.10 is: 191,071,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,687.30 : 708,589,030.95 = 127,381,190.10 : x
  2. Step 2: Convert to fraction form
    472,392,687.30/708,589,030.95 = 127,381,190.10/x
  3. Step 3: Cross multiply
    472,392,687.30x = 708,589,030.95 × 127,381,190.10
  4. Step 4: Simplify right side
    472,392,687.30x = 90,260,914,054,216,736
  5. Step 5: Solve for x
    x = 90,260,914,054,216,736/472,392,687.30
  6. Step 6: Final answer
    x = 191,071,785.15

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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.