Home / 18,716,981,653.86-25,830,059,337.45-10,258,827,103.95

Finding the Fourth Proportional to 18,716,981,653.86, 25,830,059,337.45 and 10,258,827,103.95

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Solution

The fourth proportional to 18,716,981,653.86, 25,830,059,337.45 and 10,258,827,103.95 is: 14,157,523,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,981,653.86 : 25,830,059,337.45 = 10,258,827,103.95 : x
  2. Step 2: Convert to fraction form
    18,716,981,653.86/25,830,059,337.45 = 10,258,827,103.95/x
  3. Step 3: Cross multiply
    18,716,981,653.86x = 25,830,059,337.45 × 10,258,827,103.95
  4. Step 4: Simplify right side
    18,716,981,653.86x = 264,986,112,827,668,856,832
  5. Step 5: Solve for x
    x = 264,986,112,827,668,856,832/18,716,981,653.86
  6. Step 6: Final answer
    x = 14,157,523,778.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.