Home / 1,231,363,000.20-1,849,991,133.90-789,571,249.58

Finding the Fourth Proportional to 1,231,363,000.20, 1,849,991,133.90 and 789,571,249.58

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Solution

The fourth proportional to 1,231,363,000.20, 1,849,991,133.90 and 789,571,249.58 is: 1,186,246,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,363,000.20 : 1,849,991,133.90 = 789,571,249.58 : x
  2. Step 2: Convert to fraction form
    1,231,363,000.20/1,849,991,133.90 = 789,571,249.58/x
  3. Step 3: Cross multiply
    1,231,363,000.20x = 1,849,991,133.90 × 789,571,249.58
  4. Step 4: Simplify right side
    1,231,363,000.20x = 1,460,699,811,305,344,256
  5. Step 5: Solve for x
    x = 1,460,699,811,305,344,256/1,231,363,000.20
  6. Step 6: Final answer
    x = 1,186,246,306.79

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Double scale
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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.