Home / 324,003,350,587.68-485,516,961,120.24-288,693,942,899.04

Finding the Fourth Proportional to 324,003,350,587.68, 485,516,961,120.24 and 288,693,942,899.04

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Solution

The fourth proportional to 324,003,350,587.68, 485,516,961,120.24 and 288,693,942,899.04 is: 432,606,038,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,003,350,587.68 : 485,516,961,120.24 = 288,693,942,899.04 : x
  2. Step 2: Convert to fraction form
    324,003,350,587.68/485,516,961,120.24 = 288,693,942,899.04/x
  3. Step 3: Cross multiply
    324,003,350,587.68x = 485,516,961,120.24 × 288,693,942,899.04
  4. Step 4: Simplify right side
    324,003,350,587.68x = 140,165,805,850,161,980,637,184
  5. Step 5: Solve for x
    x = 140,165,805,850,161,980,637,184/324,003,350,587.68
  6. Step 6: Final answer
    x = 432,606,038,165.74

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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.