Home / 1,236,694,440.45-1,855,040,479.70-316,569,302.85

Finding the Fourth Proportional to 1,236,694,440.45, 1,855,040,479.70 and 316,569,302.85

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Solution

The fourth proportional to 1,236,694,440.45, 1,855,040,479.70 and 316,569,302.85 is: 474,853,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,694,440.45 : 1,855,040,479.70 = 316,569,302.85 : x
  2. Step 2: Convert to fraction form
    1,236,694,440.45/1,855,040,479.70 = 316,569,302.85/x
  3. Step 3: Cross multiply
    1,236,694,440.45x = 1,855,040,479.70 × 316,569,302.85
  4. Step 4: Simplify right side
    1,236,694,440.45x = 587,248,871,417,158,656
  5. Step 5: Solve for x
    x = 587,248,871,417,158,656/1,236,694,440.45
  6. Step 6: Final answer
    x = 474,853,651.97

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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.