Home / 461,456,882.79-636,810,449.07-249,763,678.22

Finding the Fourth Proportional to 461,456,882.79, 636,810,449.07 and 249,763,678.22

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Solution

The fourth proportional to 461,456,882.79, 636,810,449.07 and 249,763,678.22 is: 344,673,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,456,882.79 : 636,810,449.07 = 249,763,678.22 : x
  2. Step 2: Convert to fraction form
    461,456,882.79/636,810,449.07 = 249,763,678.22/x
  3. Step 3: Cross multiply
    461,456,882.79x = 636,810,449.07 × 249,763,678.22
  4. Step 4: Simplify right side
    461,456,882.79x = 159,052,120,091,040,000
  5. Step 5: Solve for x
    x = 159,052,120,091,040,000/461,456,882.79
  6. Step 6: Final answer
    x = 344,673,849.33

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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.