Home / 1,215,027,071.28-1,822,527,320.76-294,903,409.86

Finding the Fourth Proportional to 1,215,027,071.28, 1,822,527,320.76 and 294,903,409.86

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Solution

The fourth proportional to 1,215,027,071.28, 1,822,527,320.76 and 294,903,409.86 is: 442,351,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,027,071.28 : 1,822,527,320.76 = 294,903,409.86 : x
  2. Step 2: Convert to fraction form
    1,215,027,071.28/1,822,527,320.76 = 294,903,409.86/x
  3. Step 3: Cross multiply
    1,215,027,071.28x = 1,822,527,320.76 × 294,903,409.86
  4. Step 4: Simplify right side
    1,215,027,071.28x = 537,469,521,455,134,016
  5. Step 5: Solve for x
    x = 537,469,521,455,134,016/1,215,027,071.28
  6. Step 6: Final answer
    x = 442,351,890.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.