Home / 8,700,186,810.60-13,019,669,214.30-7,965,522,772.20

Finding the Fourth Proportional to 8,700,186,810.60, 13,019,669,214.30 and 7,965,522,772.20

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Solution

The fourth proportional to 8,700,186,810.60, 13,019,669,214.30 and 7,965,522,772.20 is: 11,920,258,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,186,810.60 : 13,019,669,214.30 = 7,965,522,772.20 : x
  2. Step 2: Convert to fraction form
    8,700,186,810.60/13,019,669,214.30 = 7,965,522,772.20/x
  3. Step 3: Cross multiply
    8,700,186,810.60x = 13,019,669,214.30 × 7,965,522,772.20
  4. Step 4: Simplify right side
    8,700,186,810.60x = 103,708,471,613,017,915,392
  5. Step 5: Solve for x
    x = 103,708,471,613,017,915,392/8,700,186,810.60
  6. Step 6: Final answer
    x = 11,920,258,020.97

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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.