Home / 1,276,377,060.15-1,914,009,545.27-677,983,963.86

Finding the Fourth Proportional to 1,276,377,060.15, 1,914,009,545.27 and 677,983,963.86

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Solution

The fourth proportional to 1,276,377,060.15, 1,914,009,545.27 and 677,983,963.86 is: 1,016,680,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,377,060.15 : 1,914,009,545.27 = 677,983,963.86 : x
  2. Step 2: Convert to fraction form
    1,276,377,060.15/1,914,009,545.27 = 677,983,963.86/x
  3. Step 3: Cross multiply
    1,276,377,060.15x = 1,914,009,545.27 × 677,983,963.86
  4. Step 4: Simplify right side
    1,276,377,060.15x = 1,297,667,778,369,725,696
  5. Step 5: Solve for x
    x = 1,297,667,778,369,725,696/1,276,377,060.15
  6. Step 6: Final answer
    x = 1,016,680,586.70

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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.