Home / 5,199,510,956.76-7,175,325,120.48-2,971,890,975.24

Finding the Fourth Proportional to 5,199,510,956.76, 7,175,325,120.48 and 2,971,890,975.24

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Solution

The fourth proportional to 5,199,510,956.76, 7,175,325,120.48 and 2,971,890,975.24 is: 4,101,209,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,510,956.76 : 7,175,325,120.48 = 2,971,890,975.24 : x
  2. Step 2: Convert to fraction form
    5,199,510,956.76/7,175,325,120.48 = 2,971,890,975.24/x
  3. Step 3: Cross multiply
    5,199,510,956.76x = 7,175,325,120.48 × 2,971,890,975.24
  4. Step 4: Simplify right side
    5,199,510,956.76x = 21,324,283,969,967,374,336
  5. Step 5: Solve for x
    x = 21,324,283,969,967,374,336/5,199,510,956.76
  6. Step 6: Final answer
    x = 4,101,209,545.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.