Home / 1,198,721,413,390.80-1,798,187,824,531.20-338,203,113,105.49

Finding the Fourth Proportional to 1,198,721,413,390.80, 1,798,187,824,531.20 and 338,203,113,105.49

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Solution

The fourth proportional to 1,198,721,413,390.80, 1,798,187,824,531.20 and 338,203,113,105.49 is: 507,334,492,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,721,413,390.80 : 1,798,187,824,531.20 = 338,203,113,105.49 : x
  2. Step 2: Convert to fraction form
    1,198,721,413,390.80/1,798,187,824,531.20 = 338,203,113,105.49/x
  3. Step 3: Cross multiply
    1,198,721,413,390.80x = 1,798,187,824,531.20 × 338,203,113,105.49
  4. Step 4: Simplify right side
    1,198,721,413,390.80x = 608,152,720,204,840,451,440,640
  5. Step 5: Solve for x
    x = 608,152,720,204,840,451,440,640/1,198,721,413,390.80
  6. Step 6: Final answer
    x = 507,334,492,744.71

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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.