Home / 454,272,789.24-626,162,050.08-354,981,011.22

Finding the Fourth Proportional to 454,272,789.24, 626,162,050.08 and 354,981,011.22

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Solution

The fourth proportional to 454,272,789.24, 626,162,050.08 and 354,981,011.22 is: 489,299,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,272,789.24 : 626,162,050.08 = 354,981,011.22 : x
  2. Step 2: Convert to fraction form
    454,272,789.24/626,162,050.08 = 354,981,011.22/x
  3. Step 3: Cross multiply
    454,272,789.24x = 626,162,050.08 × 354,981,011.22
  4. Step 4: Simplify right side
    454,272,789.24x = 222,275,637,724,986,720
  5. Step 5: Solve for x
    x = 222,275,637,724,986,720/454,272,789.24
  6. Step 6: Final answer
    x = 489,299,916.24

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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.