Home / 758,390,831.22-1,136,587,426.38-321,150,487.62

Finding the Fourth Proportional to 758,390,831.22, 1,136,587,426.38 and 321,150,487.62

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Solution

The fourth proportional to 758,390,831.22, 1,136,587,426.38 and 321,150,487.62 is: 481,302,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,390,831.22 : 1,136,587,426.38 = 321,150,487.62 : x
  2. Step 2: Convert to fraction form
    758,390,831.22/1,136,587,426.38 = 321,150,487.62/x
  3. Step 3: Cross multiply
    758,390,831.22x = 1,136,587,426.38 × 321,150,487.62
  4. Step 4: Simplify right side
    758,390,831.22x = 365,015,606,204,697,920
  5. Step 5: Solve for x
    x = 365,015,606,204,697,920/758,390,831.22
  6. Step 6: Final answer
    x = 481,302,767.88

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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.