Home / 756,717,301.38-1,044,269,414.01-409,036,789.38

Finding the Fourth Proportional to 756,717,301.38, 1,044,269,414.01 and 409,036,789.38

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Solution

The fourth proportional to 756,717,301.38, 1,044,269,414.01 and 409,036,789.38 is: 564,470,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,717,301.38 : 1,044,269,414.01 = 409,036,789.38 : x
  2. Step 2: Convert to fraction form
    756,717,301.38/1,044,269,414.01 = 409,036,789.38/x
  3. Step 3: Cross multiply
    756,717,301.38x = 1,044,269,414.01 × 409,036,789.38
  4. Step 4: Simplify right side
    756,717,301.38x = 427,144,608,354,384,384
  5. Step 5: Solve for x
    x = 427,144,608,354,384,384/756,717,301.38
  6. Step 6: Final answer
    x = 564,470,519.67

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1.5x scale

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.