Home / 798,746,387.76-1,102,379,514.80-459,647,894.43

Finding the Fourth Proportional to 798,746,387.76, 1,102,379,514.80 and 459,647,894.43

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Solution

The fourth proportional to 798,746,387.76, 1,102,379,514.80 and 459,647,894.43 is: 634,377,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,746,387.76 : 1,102,379,514.80 = 459,647,894.43 : x
  2. Step 2: Convert to fraction form
    798,746,387.76/1,102,379,514.80 = 459,647,894.43/x
  3. Step 3: Cross multiply
    798,746,387.76x = 1,102,379,514.80 × 459,647,894.43
  4. Step 4: Simplify right side
    798,746,387.76x = 506,706,422,838,286,848
  5. Step 5: Solve for x
    x = 506,706,422,838,286,848/798,746,387.76
  6. Step 6: Final answer
    x = 634,377,107.18

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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.