Home / 484,656,815.07-726,730,130.93-331,346,715.39

Finding the Fourth Proportional to 484,656,815.07, 726,730,130.93 and 331,346,715.39

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Solution

The fourth proportional to 484,656,815.07, 726,730,130.93 and 331,346,715.39 is: 496,845,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,656,815.07 : 726,730,130.93 = 331,346,715.39 : x
  2. Step 2: Convert to fraction form
    484,656,815.07/726,730,130.93 = 331,346,715.39/x
  3. Step 3: Cross multiply
    484,656,815.07x = 726,730,130.93 × 331,346,715.39
  4. Step 4: Simplify right side
    484,656,815.07x = 240,799,641,856,943,392
  5. Step 5: Solve for x
    x = 240,799,641,856,943,392/484,656,815.07
  6. Step 6: Final answer
    x = 496,845,673.82

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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.