Home / 1,149,228,270.40-1,723,842,405.60-690,063,246.40

Finding the Fourth Proportional to 1,149,228,270.40, 1,723,842,405.60 and 690,063,246.40

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Solution

The fourth proportional to 1,149,228,270.40, 1,723,842,405.60 and 690,063,246.40 is: 1,035,094,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,228,270.40 : 1,723,842,405.60 = 690,063,246.40 : x
  2. Step 2: Convert to fraction form
    1,149,228,270.40/1,723,842,405.60 = 690,063,246.40/x
  3. Step 3: Cross multiply
    1,149,228,270.40x = 1,723,842,405.60 × 690,063,246.40
  4. Step 4: Simplify right side
    1,149,228,270.40x = 1,189,560,286,690,321,408
  5. Step 5: Solve for x
    x = 1,189,560,286,690,321,408/1,149,228,270.40
  6. Step 6: Final answer
    x = 1,035,094,869.60

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Double scale
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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.