Home / 710,006,217.56-979,789,782.20-396,743,005.70

Finding the Fourth Proportional to 710,006,217.56, 979,789,782.20 and 396,743,005.70

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Solution

The fourth proportional to 710,006,217.56, 979,789,782.20 and 396,743,005.70 is: 547,494,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,006,217.56 : 979,789,782.20 = 396,743,005.70 : x
  2. Step 2: Convert to fraction form
    710,006,217.56/979,789,782.20 = 396,743,005.70/x
  3. Step 3: Cross multiply
    710,006,217.56x = 979,789,782.20 × 396,743,005.70
  4. Step 4: Simplify right side
    710,006,217.56x = 388,724,743,143,189,696
  5. Step 5: Solve for x
    x = 388,724,743,143,189,696/710,006,217.56
  6. Step 6: Final answer
    x = 547,494,843.75

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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.