Home / 898,670,045,131.12-1,348,468,519,791.60-421,187,852,155.78

Finding the Fourth Proportional to 898,670,045,131.12, 1,348,468,519,791.60 and 421,187,852,155.78

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Solution

The fourth proportional to 898,670,045,131.12, 1,348,468,519,791.60 and 421,187,852,155.78 is: 631,998,988,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,670,045,131.12 : 1,348,468,519,791.60 = 421,187,852,155.78 : x
  2. Step 2: Convert to fraction form
    898,670,045,131.12/1,348,468,519,791.60 = 421,187,852,155.78/x
  3. Step 3: Cross multiply
    898,670,045,131.12x = 1,348,468,519,791.60 × 421,187,852,155.78
  4. Step 4: Simplify right side
    898,670,045,131.12x = 567,958,559,550,707,987,382,272
  5. Step 5: Solve for x
    x = 567,958,559,550,707,987,382,272/898,670,045,131.12
  6. Step 6: Final answer
    x = 631,998,988,536.27

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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.