Home / 782,287,934.40-1,079,494,158.24-452,284,344

Finding the Fourth Proportional to 782,287,934.40, 1,079,494,158.24 and 452,284,344

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Solution

The fourth proportional to 782,287,934.40, 1,079,494,158.24 and 452,284,344 is: 624,115,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,287,934.40 : 1,079,494,158.24 = 452,284,344 : x
  2. Step 2: Convert to fraction form
    782,287,934.40/1,079,494,158.24 = 452,284,344/x
  3. Step 3: Cross multiply
    782,287,934.40x = 1,079,494,158.24 × 452,284,344
  4. Step 4: Simplify right side
    782,287,934.40x = 488,238,307,211,410,624
  5. Step 5: Solve for x
    x = 488,238,307,211,410,624/782,287,934.40
  6. Step 6: Final answer
    x = 624,115,860.34

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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.