Home / 12,435,539,568.70-18,634,328,314.50-7,383,447,436.97

Finding the Fourth Proportional to 12,435,539,568.70, 18,634,328,314.50 and 7,383,447,436.97

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Solution

The fourth proportional to 12,435,539,568.70, 18,634,328,314.50 and 7,383,447,436.97 is: 11,063,901,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435,539,568.70 : 18,634,328,314.50 = 7,383,447,436.97 : x
  2. Step 2: Convert to fraction form
    12,435,539,568.70/18,634,328,314.50 = 7,383,447,436.97/x
  3. Step 3: Cross multiply
    12,435,539,568.70x = 18,634,328,314.50 × 7,383,447,436.97
  4. Step 4: Simplify right side
    12,435,539,568.70x = 137,585,583,633,352,523,776
  5. Step 5: Solve for x
    x = 137,585,583,633,352,523,776/12,435,539,568.70
  6. Step 6: Final answer
    x = 11,063,901,399.15

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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.