Home / 12,162,447,393.68-18,237,020,443.62-9,657,466,855.98

Finding the Fourth Proportional to 12,162,447,393.68, 18,237,020,443.62 and 9,657,466,855.98

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Solution

The fourth proportional to 12,162,447,393.68, 18,237,020,443.62 and 9,657,466,855.98 is: 14,480,919,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,447,393.68 : 18,237,020,443.62 = 9,657,466,855.98 : x
  2. Step 2: Convert to fraction form
    12,162,447,393.68/18,237,020,443.62 = 9,657,466,855.98/x
  3. Step 3: Cross multiply
    12,162,447,393.68x = 18,237,020,443.62 × 9,657,466,855.98
  4. Step 4: Simplify right side
    12,162,447,393.68x = 176,123,420,486,089,801,728
  5. Step 5: Solve for x
    x = 176,123,420,486,089,801,728/12,162,447,393.68
  6. Step 6: Final answer
    x = 14,480,919,405.88

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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.