Home / 1,256,382,410.96-1,885,434,463.16-438,494,711.76

Finding the Fourth Proportional to 1,256,382,410.96, 1,885,434,463.16 and 438,494,711.76

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Solution

The fourth proportional to 1,256,382,410.96, 1,885,434,463.16 and 438,494,711.76 is: 658,042,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,382,410.96 : 1,885,434,463.16 = 438,494,711.76 : x
  2. Step 2: Convert to fraction form
    1,256,382,410.96/1,885,434,463.16 = 438,494,711.76/x
  3. Step 3: Cross multiply
    1,256,382,410.96x = 1,885,434,463.16 × 438,494,711.76
  4. Step 4: Simplify right side
    1,256,382,410.96x = 826,753,041,465,714,560
  5. Step 5: Solve for x
    x = 826,753,041,465,714,560/1,256,382,410.96
  6. Step 6: Final answer
    x = 658,042,514.96

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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.