Home / 1,242,203,753.80-1,867,132,005.90-1,173,329,000.20

Finding the Fourth Proportional to 1,242,203,753.80, 1,867,132,005.90 and 1,173,329,000.20

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Solution

The fourth proportional to 1,242,203,753.80, 1,867,132,005.90 and 1,173,329,000.20 is: 1,763,607,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,203,753.80 : 1,867,132,005.90 = 1,173,329,000.20 : x
  2. Step 2: Convert to fraction form
    1,242,203,753.80/1,867,132,005.90 = 1,173,329,000.20/x
  3. Step 3: Cross multiply
    1,242,203,753.80x = 1,867,132,005.90 × 1,173,329,000.20
  4. Step 4: Simplify right side
    1,242,203,753.80x = 2,190,760,129,724,067,584
  5. Step 5: Solve for x
    x = 2,190,760,129,724,067,584/1,242,203,753.80
  6. Step 6: Final answer
    x = 1,763,607,719.77

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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.