Home / 12,412,066,229.40-18,618,099,344.10-7,759,193,986.20

Finding the Fourth Proportional to 12,412,066,229.40, 18,618,099,344.10 and 7,759,193,986.20

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Solution

The fourth proportional to 12,412,066,229.40, 18,618,099,344.10 and 7,759,193,986.20 is: 11,638,790,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,066,229.40 : 18,618,099,344.10 = 7,759,193,986.20 : x
  2. Step 2: Convert to fraction form
    12,412,066,229.40/18,618,099,344.10 = 7,759,193,986.20/x
  3. Step 3: Cross multiply
    12,412,066,229.40x = 18,618,099,344.10 × 7,759,193,986.20
  4. Step 4: Simplify right side
    12,412,066,229.40x = 144,461,444,465,214,865,408
  5. Step 5: Solve for x
    x = 144,461,444,465,214,865,408/12,412,066,229.40
  6. Step 6: Final answer
    x = 11,638,790,979.30

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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.