Home / 666,366,134,168.33-999,234,109,717.53-258,143,707,854.19

Finding the Fourth Proportional to 666,366,134,168.33, 999,234,109,717.53 and 258,143,707,854.19

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Solution

The fourth proportional to 666,366,134,168.33, 999,234,109,717.53 and 258,143,707,854.19 is: 387,093,498,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,366,134,168.33 : 999,234,109,717.53 = 258,143,707,854.19 : x
  2. Step 2: Convert to fraction form
    666,366,134,168.33/999,234,109,717.53 = 258,143,707,854.19/x
  3. Step 3: Cross multiply
    666,366,134,168.33x = 999,234,109,717.53 × 258,143,707,854.19
  4. Step 4: Simplify right side
    666,366,134,168.33x = 257,945,998,096,863,716,179,968
  5. Step 5: Solve for x
    x = 257,945,998,096,863,716,179,968/666,366,134,168.33
  6. Step 6: Final answer
    x = 387,093,498,409.55

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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.