Home / 1,053,704,310.15-1,579,943,806.78-398,705,934.86

Finding the Fourth Proportional to 1,053,704,310.15, 1,579,943,806.78 and 398,705,934.86

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Solution

The fourth proportional to 1,053,704,310.15, 1,579,943,806.78 and 398,705,934.86 is: 597,827,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,704,310.15 : 1,579,943,806.78 = 398,705,934.86 : x
  2. Step 2: Convert to fraction form
    1,053,704,310.15/1,579,943,806.78 = 398,705,934.86/x
  3. Step 3: Cross multiply
    1,053,704,310.15x = 1,579,943,806.78 × 398,705,934.86
  4. Step 4: Simplify right side
    1,053,704,310.15x = 629,932,972,508,487,168
  5. Step 5: Solve for x
    x = 629,932,972,508,487,168/1,053,704,310.15
  6. Step 6: Final answer
    x = 597,827,081.51

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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.