Home / 12,435,539,568.20-18,634,328,313.75-7,383,447,436.47

Finding the Fourth Proportional to 12,435,539,568.20, 18,634,328,313.75 and 7,383,447,436.47

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Solution

The fourth proportional to 12,435,539,568.20, 18,634,328,313.75 and 7,383,447,436.47 is: 11,063,901,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435,539,568.20 : 18,634,328,313.75 = 7,383,447,436.47 : x
  2. Step 2: Convert to fraction form
    12,435,539,568.20/18,634,328,313.75 = 7,383,447,436.47/x
  3. Step 3: Cross multiply
    12,435,539,568.20x = 18,634,328,313.75 × 7,383,447,436.47
  4. Step 4: Simplify right side
    12,435,539,568.20x = 137,585,583,618,484,584,448
  5. Step 5: Solve for x
    x = 137,585,583,618,484,584,448/12,435,539,568.20
  6. Step 6: Final answer
    x = 11,063,901,398.40

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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.