Home / 324,003,350,911.68-485,516,961,606.24-288,693,943,223.04

Finding the Fourth Proportional to 324,003,350,911.68, 485,516,961,606.24 and 288,693,943,223.04

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Solution

The fourth proportional to 324,003,350,911.68, 485,516,961,606.24 and 288,693,943,223.04 is: 432,606,038,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,003,350,911.68 : 485,516,961,606.24 = 288,693,943,223.04 : x
  2. Step 2: Convert to fraction form
    324,003,350,911.68/485,516,961,606.24 = 288,693,943,223.04/x
  3. Step 3: Cross multiply
    324,003,350,911.68x = 485,516,961,606.24 × 288,693,943,223.04
  4. Step 4: Simplify right side
    324,003,350,911.68x = 140,165,806,147,774,726,537,216
  5. Step 5: Solve for x
    x = 140,165,806,147,774,726,537,216/324,003,350,911.68
  6. Step 6: Final answer
    x = 432,606,038,651.69

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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.