Home / 6,132,815,999.10-9,199,223,998.65-4,391,390,130.30

Finding the Fourth Proportional to 6,132,815,999.10, 9,199,223,998.65 and 4,391,390,130.30

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Solution

The fourth proportional to 6,132,815,999.10, 9,199,223,998.65 and 4,391,390,130.30 is: 6,587,085,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132,815,999.10 : 9,199,223,998.65 = 4,391,390,130.30 : x
  2. Step 2: Convert to fraction form
    6,132,815,999.10/9,199,223,998.65 = 4,391,390,130.30/x
  3. Step 3: Cross multiply
    6,132,815,999.10x = 9,199,223,998.65 × 4,391,390,130.30
  4. Step 4: Simplify right side
    6,132,815,999.10x = 40,397,381,474,090,508,288
  5. Step 5: Solve for x
    x = 40,397,381,474,090,508,288/6,132,815,999.10
  6. Step 6: Final answer
    x = 6,587,085,195.45

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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.