Home / 381,327,176-571,905,638.88-176,828,678.72

Finding the Fourth Proportional to 381,327,176, 571,905,638.88 and 176,828,678.72

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Solution

The fourth proportional to 381,327,176, 571,905,638.88 and 176,828,678.72 is: 265,203,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,327,176 : 571,905,638.88 = 176,828,678.72 : x
  2. Step 2: Convert to fraction form
    381,327,176/571,905,638.88 = 176,828,678.72/x
  3. Step 3: Cross multiply
    381,327,176x = 571,905,638.88 × 176,828,678.72
  4. Step 4: Simplify right side
    381,327,176x = 101,129,318,475,667,856
  5. Step 5: Solve for x
    x = 101,129,318,475,667,856/381,327,176
  6. Step 6: Final answer
    x = 265,203,543.94

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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.