Home / 576,011,916.18-794,898,551.97-311,693,912.82

Finding the Fourth Proportional to 576,011,916.18, 794,898,551.97 and 311,693,912.82

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Solution

The fourth proportional to 576,011,916.18, 794,898,551.97 and 311,693,912.82 is: 430,138,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,011,916.18 : 794,898,551.97 = 311,693,912.82 : x
  2. Step 2: Convert to fraction form
    576,011,916.18/794,898,551.97 = 311,693,912.82/x
  3. Step 3: Cross multiply
    576,011,916.18x = 794,898,551.97 × 311,693,912.82
  4. Step 4: Simplify right side
    576,011,916.18x = 247,765,039,958,481,408
  5. Step 5: Solve for x
    x = 247,765,039,958,481,408/576,011,916.18
  6. Step 6: Final answer
    x = 430,138,740.19

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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.