Home / 1,119,753,609.40-1,679,630,414.10-684,397,142.20

Finding the Fourth Proportional to 1,119,753,609.40, 1,679,630,414.10 and 684,397,142.20

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Solution

The fourth proportional to 1,119,753,609.40, 1,679,630,414.10 and 684,397,142.20 is: 1,026,595,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,753,609.40 : 1,679,630,414.10 = 684,397,142.20 : x
  2. Step 2: Convert to fraction form
    1,119,753,609.40/1,679,630,414.10 = 684,397,142.20/x
  3. Step 3: Cross multiply
    1,119,753,609.40x = 1,679,630,414.10 × 684,397,142.20
  4. Step 4: Simplify right side
    1,119,753,609.40x = 1,149,534,255,362,242,560
  5. Step 5: Solve for x
    x = 1,149,534,255,362,242,560/1,119,753,609.40
  6. Step 6: Final answer
    x = 1,026,595,713.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.