Home / 352,638,690.46-527,807,019.95-259,240,938.46

Finding the Fourth Proportional to 352,638,690.46, 527,807,019.95 and 259,240,938.46

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Solution

The fourth proportional to 352,638,690.46, 527,807,019.95 and 259,240,938.46 is: 388,015,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,638,690.46 : 527,807,019.95 = 259,240,938.46 : x
  2. Step 2: Convert to fraction form
    352,638,690.46/527,807,019.95 = 259,240,938.46/x
  3. Step 3: Cross multiply
    352,638,690.46x = 527,807,019.95 × 259,240,938.46
  4. Step 4: Simplify right side
    352,638,690.46x = 136,829,187,175,970,384
  5. Step 5: Solve for x
    x = 136,829,187,175,970,384/352,638,690.46
  6. Step 6: Final answer
    x = 388,015,243.02

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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.