Home / 826,810,010.40-1,240,215,015.60-736,411,896.30

Finding the Fourth Proportional to 826,810,010.40, 1,240,215,015.60 and 736,411,896.30

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Solution

The fourth proportional to 826,810,010.40, 1,240,215,015.60 and 736,411,896.30 is: 1,104,617,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,810,010.40 : 1,240,215,015.60 = 736,411,896.30 : x
  2. Step 2: Convert to fraction form
    826,810,010.40/1,240,215,015.60 = 736,411,896.30/x
  3. Step 3: Cross multiply
    826,810,010.40x = 1,240,215,015.60 × 736,411,896.30
  4. Step 4: Simplify right side
    826,810,010.40x = 913,309,091,457,729,920
  5. Step 5: Solve for x
    x = 913,309,091,457,729,920/826,810,010.40
  6. Step 6: Final answer
    x = 1,104,617,844.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.