Home / 873,229,676.40-1,205,050,714.52-476,752,653.68

Finding the Fourth Proportional to 873,229,676.40, 1,205,050,714.52 and 476,752,653.68

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Solution

The fourth proportional to 873,229,676.40, 1,205,050,714.52 and 476,752,653.68 is: 657,915,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,229,676.40 : 1,205,050,714.52 = 476,752,653.68 : x
  2. Step 2: Convert to fraction form
    873,229,676.40/1,205,050,714.52 = 476,752,653.68/x
  3. Step 3: Cross multiply
    873,229,676.40x = 1,205,050,714.52 × 476,752,653.68
  4. Step 4: Simplify right side
    873,229,676.40x = 574,511,125,957,981,184
  5. Step 5: Solve for x
    x = 574,511,125,957,981,184/873,229,676.40
  6. Step 6: Final answer
    x = 657,915,255.84

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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.