Home / 664,302,456.90-996,453,685.35-660,476,081.70

Finding the Fourth Proportional to 664,302,456.90, 996,453,685.35 and 660,476,081.70

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Solution

The fourth proportional to 664,302,456.90, 996,453,685.35 and 660,476,081.70 is: 990,714,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,456.90 : 996,453,685.35 = 660,476,081.70 : x
  2. Step 2: Convert to fraction form
    664,302,456.90/996,453,685.35 = 660,476,081.70/x
  3. Step 3: Cross multiply
    664,302,456.90x = 996,453,685.35 × 660,476,081.70
  4. Step 4: Simplify right side
    664,302,456.90x = 658,133,825,695,492,736
  5. Step 5: Solve for x
    x = 658,133,825,695,492,736/664,302,456.90
  6. Step 6: Final answer
    x = 990,714,122.55

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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.