Home / 381,327,177-571,905,640.38-176,828,679.72

Finding the Fourth Proportional to 381,327,177, 571,905,640.38 and 176,828,679.72

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Solution

The fourth proportional to 381,327,177, 571,905,640.38 and 176,828,679.72 is: 265,203,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,327,177 : 571,905,640.38 = 176,828,679.72 : x
  2. Step 2: Convert to fraction form
    381,327,177/571,905,640.38 = 176,828,679.72/x
  3. Step 3: Cross multiply
    381,327,177x = 571,905,640.38 × 176,828,679.72
  4. Step 4: Simplify right side
    381,327,177x = 101,129,319,312,816,512
  5. Step 5: Solve for x
    x = 101,129,319,312,816,512/381,327,177
  6. Step 6: Final answer
    x = 265,203,545.44

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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.