Home / 1,213,719,127.48-1,674,932,397.78-656,802,174.34

Finding the Fourth Proportional to 1,213,719,127.48, 1,674,932,397.78 and 656,802,174.34

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Solution

The fourth proportional to 1,213,719,127.48, 1,674,932,397.78 and 656,802,174.34 is: 906,387,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,719,127.48 : 1,674,932,397.78 = 656,802,174.34 : x
  2. Step 2: Convert to fraction form
    1,213,719,127.48/1,674,932,397.78 = 656,802,174.34/x
  3. Step 3: Cross multiply
    1,213,719,127.48x = 1,674,932,397.78 × 656,802,174.34
  4. Step 4: Simplify right side
    1,213,719,127.48x = 1,100,099,240,734,413,824
  5. Step 5: Solve for x
    x = 1,100,099,240,734,413,824/1,213,719,127.48
  6. Step 6: Final answer
    x = 906,387,001.59

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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.