Home / 989,443,635.53-1,484,164,600.56-252,513,480.78

Finding the Fourth Proportional to 989,443,635.53, 1,484,164,600.56 and 252,513,480.78

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Solution

The fourth proportional to 989,443,635.53, 1,484,164,600.56 and 252,513,480.78 is: 378,770,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,443,635.53 : 1,484,164,600.56 = 252,513,480.78 : x
  2. Step 2: Convert to fraction form
    989,443,635.53/1,484,164,600.56 = 252,513,480.78/x
  3. Step 3: Cross multiply
    989,443,635.53x = 1,484,164,600.56 × 252,513,480.78
  4. Step 4: Simplify right side
    989,443,635.53x = 374,771,569,337,863,936
  5. Step 5: Solve for x
    x = 374,771,569,337,863,936/989,443,635.53
  6. Step 6: Final answer
    x = 378,770,003.55

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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.