Home / 15,518,986,400.40-23,278,479,600.60-8,988,639,392.40

Finding the Fourth Proportional to 15,518,986,400.40, 23,278,479,600.60 and 8,988,639,392.40

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Solution

The fourth proportional to 15,518,986,400.40, 23,278,479,600.60 and 8,988,639,392.40 is: 13,482,959,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518,986,400.40 : 23,278,479,600.60 = 8,988,639,392.40 : x
  2. Step 2: Convert to fraction form
    15,518,986,400.40/23,278,479,600.60 = 8,988,639,392.40/x
  3. Step 3: Cross multiply
    15,518,986,400.40x = 23,278,479,600.60 × 8,988,639,392.40
  4. Step 4: Simplify right side
    15,518,986,400.40x = 209,241,858,733,132,972,032
  5. Step 5: Solve for x
    x = 209,241,858,733,132,972,032/15,518,986,400.40
  6. Step 6: Final answer
    x = 13,482,959,088.60

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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.