Home / 519,026,060.31-778,586,395.98-169,182,332.01

Finding the Fourth Proportional to 519,026,060.31, 778,586,395.98 and 169,182,332.01

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Solution

The fourth proportional to 519,026,060.31, 778,586,395.98 and 169,182,332.01 is: 253,788,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,026,060.31 : 778,586,395.98 = 169,182,332.01 : x
  2. Step 2: Convert to fraction form
    519,026,060.31/778,586,395.98 = 169,182,332.01/x
  3. Step 3: Cross multiply
    519,026,060.31x = 778,586,395.98 × 169,182,332.01
  4. Step 4: Simplify right side
    519,026,060.31x = 131,723,062,143,157,680
  5. Step 5: Solve for x
    x = 131,723,062,143,157,680/519,026,060.31
  6. Step 6: Final answer
    x = 253,788,917.78

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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.