Home / 825,243,271,248.75-1,238,430,346,171.10-288,021,231,506.17

Finding the Fourth Proportional to 825,243,271,248.75, 1,238,430,346,171.10 and 288,021,231,506.17

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Solution

The fourth proportional to 825,243,271,248.75, 1,238,430,346,171.10 and 288,021,231,506.17 is: 432,229,193,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,243,271,248.75 : 1,238,430,346,171.10 = 288,021,231,506.17 : x
  2. Step 2: Convert to fraction form
    825,243,271,248.75/1,238,430,346,171.10 = 288,021,231,506.17/x
  3. Step 3: Cross multiply
    825,243,271,248.75x = 1,238,430,346,171.10 × 288,021,231,506.17
  4. Step 4: Simplify right side
    825,243,271,248.75x = 356,694,233,438,812,643,524,608
  5. Step 5: Solve for x
    x = 356,694,233,438,812,643,524,608/825,243,271,248.75
  6. Step 6: Final answer
    x = 432,229,193,337.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.