Home / 12,011,772,610.45-18,017,658,915.68-8,083,360,738.45

Finding the Fourth Proportional to 12,011,772,610.45, 18,017,658,915.68 and 8,083,360,738.45

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Solution

The fourth proportional to 12,011,772,610.45, 18,017,658,915.68 and 8,083,360,738.45 is: 12,125,041,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,772,610.45 : 18,017,658,915.68 = 8,083,360,738.45 : x
  2. Step 2: Convert to fraction form
    12,011,772,610.45/18,017,658,915.68 = 8,083,360,738.45/x
  3. Step 3: Cross multiply
    12,011,772,610.45x = 18,017,658,915.68 × 8,083,360,738.45
  4. Step 4: Simplify right side
    12,011,772,610.45x = 145,643,236,677,791,318,016
  5. Step 5: Solve for x
    x = 145,643,236,677,791,318,016/12,011,772,610.45
  6. Step 6: Final answer
    x = 12,125,041,107.68

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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.