Home / 917,913,787.65-1,377,139,288.82-296,117,057.61

Finding the Fourth Proportional to 917,913,787.65, 1,377,139,288.82 and 296,117,057.61

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Solution

The fourth proportional to 917,913,787.65, 1,377,139,288.82 and 296,117,057.61 is: 444,262,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,913,787.65 : 1,377,139,288.82 = 296,117,057.61 : x
  2. Step 2: Convert to fraction form
    917,913,787.65/1,377,139,288.82 = 296,117,057.61/x
  3. Step 3: Cross multiply
    917,913,787.65x = 1,377,139,288.82 × 296,117,057.61
  4. Step 4: Simplify right side
    917,913,787.65x = 407,794,434,123,025,792
  5. Step 5: Solve for x
    x = 407,794,434,123,025,792/917,913,787.65
  6. Step 6: Final answer
    x = 444,262,238.58

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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.