Home / 1,064,995,260.18-1,469,839,458.62-612,863,935.59

Finding the Fourth Proportional to 1,064,995,260.18, 1,469,839,458.62 and 612,863,935.59

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Solution

The fourth proportional to 1,064,995,260.18, 1,469,839,458.62 and 612,863,935.59 is: 845,836,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,995,260.18 : 1,469,839,458.62 = 612,863,935.59 : x
  2. Step 2: Convert to fraction form
    1,064,995,260.18/1,469,839,458.62 = 612,863,935.59/x
  3. Step 3: Cross multiply
    1,064,995,260.18x = 1,469,839,458.62 × 612,863,935.59
  4. Step 4: Simplify right side
    1,064,995,260.18x = 900,811,595,292,263,936
  5. Step 5: Solve for x
    x = 900,811,595,292,263,936/1,064,995,260.18
  6. Step 6: Final answer
    x = 845,836,248.27

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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.