Home / 898,172,195.40-1,239,013,362.78-568,338,653.16

Finding the Fourth Proportional to 898,172,195.40, 1,239,013,362.78 and 568,338,653.16

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Solution

The fourth proportional to 898,172,195.40, 1,239,013,362.78 and 568,338,653.16 is: 784,013,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,172,195.40 : 1,239,013,362.78 = 568,338,653.16 : x
  2. Step 2: Convert to fraction form
    898,172,195.40/1,239,013,362.78 = 568,338,653.16/x
  3. Step 3: Cross multiply
    898,172,195.40x = 1,239,013,362.78 × 568,338,653.16
  4. Step 4: Simplify right side
    898,172,195.40x = 704,179,185,849,627,648
  5. Step 5: Solve for x
    x = 704,179,185,849,627,648/898,172,195.40
  6. Step 6: Final answer
    x = 784,013,566.06

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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.