Home / 462,557,826.45-638,472,736.26-297,545,395.95

Finding the Fourth Proportional to 462,557,826.45, 638,472,736.26 and 297,545,395.95

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Solution

The fourth proportional to 462,557,826.45, 638,472,736.26 and 297,545,395.95 is: 410,704,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,557,826.45 : 638,472,736.26 = 297,545,395.95 : x
  2. Step 2: Convert to fraction form
    462,557,826.45/638,472,736.26 = 297,545,395.95/x
  3. Step 3: Cross multiply
    462,557,826.45x = 638,472,736.26 × 297,545,395.95
  4. Step 4: Simplify right side
    462,557,826.45x = 189,974,623,113,761,600
  5. Step 5: Solve for x
    x = 189,974,623,113,761,600/462,557,826.45
  6. Step 6: Final answer
    x = 410,704,591.41

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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.