Home / 777,014,791.90-1,165,495,231.05-194,754,132.70

Finding the Fourth Proportional to 777,014,791.90, 1,165,495,231.05 and 194,754,132.70

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Solution

The fourth proportional to 777,014,791.90, 1,165,495,231.05 and 194,754,132.70 is: 292,124,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,014,791.90 : 1,165,495,231.05 = 194,754,132.70 : x
  2. Step 2: Convert to fraction form
    777,014,791.90/1,165,495,231.05 = 194,754,132.70/x
  3. Step 3: Cross multiply
    777,014,791.90x = 1,165,495,231.05 × 194,754,132.70
  4. Step 4: Simplify right side
    777,014,791.90x = 226,985,012,889,128,832
  5. Step 5: Solve for x
    x = 226,985,012,889,128,832/777,014,791.90
  6. Step 6: Final answer
    x = 292,124,442.49

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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.