Home / 918,571,829.06-1,377,865,717.61-296,787,127.39

Finding the Fourth Proportional to 918,571,829.06, 1,377,865,717.61 and 296,787,127.39

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Solution

The fourth proportional to 918,571,829.06, 1,377,865,717.61 and 296,787,127.39 is: 445,183,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,571,829.06 : 1,377,865,717.61 = 296,787,127.39 : x
  2. Step 2: Convert to fraction form
    918,571,829.06/1,377,865,717.61 = 296,787,127.39/x
  3. Step 3: Cross multiply
    918,571,829.06x = 1,377,865,717.61 × 296,787,127.39
  4. Step 4: Simplify right side
    918,571,829.06x = 408,932,808,253,704,256
  5. Step 5: Solve for x
    x = 408,932,808,253,704,256/918,571,829.06
  6. Step 6: Final answer
    x = 445,183,267.45

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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.