Home / 731,963,559.82-1,010,081,382.10-397,428,425.49

Finding the Fourth Proportional to 731,963,559.82, 1,010,081,382.10 and 397,428,425.49

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Solution

The fourth proportional to 731,963,559.82, 1,010,081,382.10 and 397,428,425.49 is: 548,435,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,963,559.82 : 1,010,081,382.10 = 397,428,425.49 : x
  2. Step 2: Convert to fraction form
    731,963,559.82/1,010,081,382.10 = 397,428,425.49/x
  3. Step 3: Cross multiply
    731,963,559.82x = 1,010,081,382.10 × 397,428,425.49
  4. Step 4: Simplify right side
    731,963,559.82x = 401,435,053,301,494,912
  5. Step 5: Solve for x
    x = 401,435,053,301,494,912/731,963,559.82
  6. Step 6: Final answer
    x = 548,435,844.81

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.