Home / 523,520,901.29-785,274,625.53-173,927,718.38

Finding the Fourth Proportional to 523,520,901.29, 785,274,625.53 and 173,927,718.38

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Solution

The fourth proportional to 523,520,901.29, 785,274,625.53 and 173,927,718.38 is: 260,889,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,520,901.29 : 785,274,625.53 = 173,927,718.38 : x
  2. Step 2: Convert to fraction form
    523,520,901.29/785,274,625.53 = 173,927,718.38/x
  3. Step 3: Cross multiply
    523,520,901.29x = 785,274,625.53 × 173,927,718.38
  4. Step 4: Simplify right side
    523,520,901.29x = 136,581,023,920,141,792
  5. Step 5: Solve for x
    x = 136,581,023,920,141,792/523,520,901.29
  6. Step 6: Final answer
    x = 260,889,342.88

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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.