Home / 8,700,186,822.60-13,019,669,232.30-7,965,522,784.20

Finding the Fourth Proportional to 8,700,186,822.60, 13,019,669,232.30 and 7,965,522,784.20

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Solution

The fourth proportional to 8,700,186,822.60, 13,019,669,232.30 and 7,965,522,784.20 is: 11,920,258,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,186,822.60 : 13,019,669,232.30 = 7,965,522,784.20 : x
  2. Step 2: Convert to fraction form
    8,700,186,822.60/13,019,669,232.30 = 7,965,522,784.20/x
  3. Step 3: Cross multiply
    8,700,186,822.60x = 13,019,669,232.30 × 7,965,522,784.20
  4. Step 4: Simplify right side
    8,700,186,822.60x = 103,708,471,912,633,368,576
  5. Step 5: Solve for x
    x = 103,708,471,912,633,368,576/8,700,186,822.60
  6. Step 6: Final answer
    x = 11,920,258,038.97

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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.