Home / 758,390,831.03-1,136,587,426.10-321,150,487.43

Finding the Fourth Proportional to 758,390,831.03, 1,136,587,426.10 and 321,150,487.43

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Solution

The fourth proportional to 758,390,831.03, 1,136,587,426.10 and 321,150,487.43 is: 481,302,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,390,831.03 : 1,136,587,426.10 = 321,150,487.43 : x
  2. Step 2: Convert to fraction form
    758,390,831.03/1,136,587,426.10 = 321,150,487.43/x
  3. Step 3: Cross multiply
    758,390,831.03x = 1,136,587,426.10 × 321,150,487.43
  4. Step 4: Simplify right side
    758,390,831.03x = 365,015,605,901,248,128
  5. Step 5: Solve for x
    x = 365,015,605,901,248,128/758,390,831.03
  6. Step 6: Final answer
    x = 481,302,767.60

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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.