Home / 1,541,490,471.46-2,126,892,242.82-872,435,502.24

Finding the Fourth Proportional to 1,541,490,471.46, 2,126,892,242.82 and 872,435,502.24

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Solution

The fourth proportional to 1,541,490,471.46, 2,126,892,242.82 and 872,435,502.24 is: 1,203,754,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,490,471.46 : 2,126,892,242.82 = 872,435,502.24 : x
  2. Step 2: Convert to fraction form
    1,541,490,471.46/2,126,892,242.82 = 872,435,502.24/x
  3. Step 3: Cross multiply
    1,541,490,471.46x = 2,126,892,242.82 × 872,435,502.24
  4. Step 4: Simplify right side
    1,541,490,471.46x = 1,855,576,302,070,366,208
  5. Step 5: Solve for x
    x = 1,855,576,302,070,366,208/1,541,490,471.46
  6. Step 6: Final answer
    x = 1,203,754,636.45

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Double scale
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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.