Home / 1,114,309,576.80-1,537,729,976.40-612,507,622.56

Finding the Fourth Proportional to 1,114,309,576.80, 1,537,729,976.40 and 612,507,622.56

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Solution

The fourth proportional to 1,114,309,576.80, 1,537,729,976.40 and 612,507,622.56 is: 845,251,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,309,576.80 : 1,537,729,976.40 = 612,507,622.56 : x
  2. Step 2: Convert to fraction form
    1,114,309,576.80/1,537,729,976.40 = 612,507,622.56/x
  3. Step 3: Cross multiply
    1,114,309,576.80x = 1,537,729,976.40 × 612,507,622.56
  4. Step 4: Simplify right side
    1,114,309,576.80x = 941,871,331,984,008,832
  5. Step 5: Solve for x
    x = 941,871,331,984,008,832/1,114,309,576.80
  6. Step 6: Final answer
    x = 845,251,042.97

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Double scale
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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.