Home / 680,096,881.68-1,020,534,067.24-369,229,773.28

Finding the Fourth Proportional to 680,096,881.68, 1,020,534,067.24 and 369,229,773.28

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Solution

The fourth proportional to 680,096,881.68, 1,020,534,067.24 and 369,229,773.28 is: 554,055,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,096,881.68 : 1,020,534,067.24 = 369,229,773.28 : x
  2. Step 2: Convert to fraction form
    680,096,881.68/1,020,534,067.24 = 369,229,773.28/x
  3. Step 3: Cross multiply
    680,096,881.68x = 1,020,534,067.24 × 369,229,773.28
  4. Step 4: Simplify right side
    680,096,881.68x = 376,811,562,264,592,640
  5. Step 5: Solve for x
    x = 376,811,562,264,592,640/680,096,881.68
  6. Step 6: Final answer
    x = 554,055,712.38

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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.