Home / 1,119,753,608.40-1,679,630,412.60-684,397,141.20

Finding the Fourth Proportional to 1,119,753,608.40, 1,679,630,412.60 and 684,397,141.20

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Solution

The fourth proportional to 1,119,753,608.40, 1,679,630,412.60 and 684,397,141.20 is: 1,026,595,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,753,608.40 : 1,679,630,412.60 = 684,397,141.20 : x
  2. Step 2: Convert to fraction form
    1,119,753,608.40/1,679,630,412.60 = 684,397,141.20/x
  3. Step 3: Cross multiply
    1,119,753,608.40x = 1,679,630,412.60 × 684,397,141.20
  4. Step 4: Simplify right side
    1,119,753,608.40x = 1,149,534,252,656,016,512
  5. Step 5: Solve for x
    x = 1,149,534,252,656,016,512/1,119,753,608.40
  6. Step 6: Final answer
    x = 1,026,595,711.80

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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.