Home / 1,379,098,772.52-1,903,196,497.91-752,607,553.83

Finding the Fourth Proportional to 1,379,098,772.52, 1,903,196,497.91 and 752,607,553.83

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Solution

The fourth proportional to 1,379,098,772.52, 1,903,196,497.91 and 752,607,553.83 is: 1,038,620,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,098,772.52 : 1,903,196,497.91 = 752,607,553.83 : x
  2. Step 2: Convert to fraction form
    1,379,098,772.52/1,903,196,497.91 = 752,607,553.83/x
  3. Step 3: Cross multiply
    1,379,098,772.52x = 1,903,196,497.91 × 752,607,553.83
  4. Step 4: Simplify right side
    1,379,098,772.52x = 1,432,360,060,746,104,832
  5. Step 5: Solve for x
    x = 1,432,360,060,746,104,832/1,379,098,772.52
  6. Step 6: Final answer
    x = 1,038,620,357.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.