Home / 845,585,996.38-1,166,906,288.74-469,299,398.02

Finding the Fourth Proportional to 845,585,996.38, 1,166,906,288.74 and 469,299,398.02

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Solution

The fourth proportional to 845,585,996.38, 1,166,906,288.74 and 469,299,398.02 is: 647,631,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,585,996.38 : 1,166,906,288.74 = 469,299,398.02 : x
  2. Step 2: Convert to fraction form
    845,585,996.38/1,166,906,288.74 = 469,299,398.02/x
  3. Step 3: Cross multiply
    845,585,996.38x = 1,166,906,288.74 × 469,299,398.02
  4. Step 4: Simplify right side
    845,585,996.38x = 547,628,418,845,599,744
  5. Step 5: Solve for x
    x = 547,628,418,845,599,744/845,585,996.38
  6. Step 6: Final answer
    x = 647,631,844.89

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1.5x scale

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.