Home / 1,044,279,145.72-1,566,597,177.78-430,527,863.80

Finding the Fourth Proportional to 1,044,279,145.72, 1,566,597,177.78 and 430,527,863.80

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Solution

The fourth proportional to 1,044,279,145.72, 1,566,597,177.78 and 430,527,863.80 is: 645,865,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,279,145.72 : 1,566,597,177.78 = 430,527,863.80 : x
  2. Step 2: Convert to fraction form
    1,044,279,145.72/1,566,597,177.78 = 430,527,863.80/x
  3. Step 3: Cross multiply
    1,044,279,145.72x = 1,566,597,177.78 × 430,527,863.80
  4. Step 4: Simplify right side
    1,044,279,145.72x = 674,463,736,384,732,288
  5. Step 5: Solve for x
    x = 674,463,736,384,732,288/1,044,279,145.72
  6. Step 6: Final answer
    x = 645,865,369.57

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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.