Home / 873,229,949.68-1,205,051,091.40-476,752,926.28

Finding the Fourth Proportional to 873,229,949.68, 1,205,051,091.40 and 476,752,926.28

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Solution

The fourth proportional to 873,229,949.68, 1,205,051,091.40 and 476,752,926.28 is: 657,915,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,229,949.68 : 1,205,051,091.40 = 476,752,926.28 : x
  2. Step 2: Convert to fraction form
    873,229,949.68/1,205,051,091.40 = 476,752,926.28/x
  3. Step 3: Cross multiply
    873,229,949.68x = 1,205,051,091.40 × 476,752,926.28
  4. Step 4: Simplify right side
    873,229,949.68x = 574,511,634,141,857,728
  5. Step 5: Solve for x
    x = 574,511,634,141,857,728/873,229,949.68
  6. Step 6: Final answer
    x = 657,915,631.90

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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.