Home / 722,339,925.52-996,834,199.06-392,315,064.52

Finding the Fourth Proportional to 722,339,925.52, 996,834,199.06 and 392,315,064.52

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Solution

The fourth proportional to 722,339,925.52, 996,834,199.06 and 392,315,064.52 is: 541,397,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,339,925.52 : 996,834,199.06 = 392,315,064.52 : x
  2. Step 2: Convert to fraction form
    722,339,925.52/996,834,199.06 = 392,315,064.52/x
  3. Step 3: Cross multiply
    722,339,925.52x = 996,834,199.06 × 392,315,064.52
  4. Step 4: Simplify right side
    722,339,925.52x = 391,073,073,119,966,400
  5. Step 5: Solve for x
    x = 391,073,073,119,966,400/722,339,925.52
  6. Step 6: Final answer
    x = 541,397,559.93

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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.