Home / 381,276,123.62-525,532,259.13-269,622,950.18

Finding the Fourth Proportional to 381,276,123.62, 525,532,259.13 and 269,622,950.18

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Solution

The fourth proportional to 381,276,123.62, 525,532,259.13 and 269,622,950.18 is: 371,635,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,276,123.62 : 525,532,259.13 = 269,622,950.18 : x
  2. Step 2: Convert to fraction form
    381,276,123.62/525,532,259.13 = 269,622,950.18/x
  3. Step 3: Cross multiply
    381,276,123.62x = 525,532,259.13 × 269,622,950.18
  4. Step 4: Simplify right side
    381,276,123.62x = 141,695,558,121,390,848
  5. Step 5: Solve for x
    x = 141,695,558,121,390,848/381,276,123.62
  6. Step 6: Final answer
    x = 371,635,015.53

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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.