Home / 1,217,472,801-1,825,825,585.50-399,394,470.12

Finding the Fourth Proportional to 1,217,472,801, 1,825,825,585.50 and 399,394,470.12

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Solution

The fourth proportional to 1,217,472,801, 1,825,825,585.50 and 399,394,470.12 is: 598,965,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,472,801 : 1,825,825,585.50 = 399,394,470.12 : x
  2. Step 2: Convert to fraction form
    1,217,472,801/1,825,825,585.50 = 399,394,470.12/x
  3. Step 3: Cross multiply
    1,217,472,801x = 1,825,825,585.50 × 399,394,470.12
  4. Step 4: Simplify right side
    1,217,472,801x = 729,224,642,252,311,296
  5. Step 5: Solve for x
    x = 729,224,642,252,311,296/1,217,472,801
  6. Step 6: Final answer
    x = 598,965,859.16

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1.5x scale

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.