Home / 265,076,344,375.66-397,670,359,202.61-85,988,347,452.11

Finding the Fourth Proportional to 265,076,344,375.66, 397,670,359,202.61 and 85,988,347,452.11

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Solution

The fourth proportional to 265,076,344,375.66, 397,670,359,202.61 and 85,988,347,452.11 is: 129,000,636,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,076,344,375.66 : 397,670,359,202.61 = 85,988,347,452.11 : x
  2. Step 2: Convert to fraction form
    265,076,344,375.66/397,670,359,202.61 = 85,988,347,452.11/x
  3. Step 3: Cross multiply
    265,076,344,375.66x = 397,670,359,202.61 × 85,988,347,452.11
  4. Step 4: Simplify right side
    265,076,344,375.66x = 34,195,017,018,517,426,798,592
  5. Step 5: Solve for x
    x = 34,195,017,018,517,426,798,592/265,076,344,375.66
  6. Step 6: Final answer
    x = 129,000,636,020.76

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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.