Home / 487,179,474.18-672,320,893.98-275,517,956.46

Finding the Fourth Proportional to 487,179,474.18, 672,320,893.98 and 275,517,956.46

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Solution

The fourth proportional to 487,179,474.18, 672,320,893.98 and 275,517,956.46 is: 380,222,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,179,474.18 : 672,320,893.98 = 275,517,956.46 : x
  2. Step 2: Convert to fraction form
    487,179,474.18/672,320,893.98 = 275,517,956.46/x
  3. Step 3: Cross multiply
    487,179,474.18x = 672,320,893.98 × 275,517,956.46
  4. Step 4: Simplify right side
    487,179,474.18x = 185,236,478,795,721,888
  5. Step 5: Solve for x
    x = 185,236,478,795,721,888/487,179,474.18
  6. Step 6: Final answer
    x = 380,222,256.09

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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.