Home / 826,882,291.08-1,140,739,010.28-492,167,131.56

Finding the Fourth Proportional to 826,882,291.08, 1,140,739,010.28 and 492,167,131.56

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Solution

The fourth proportional to 826,882,291.08, 1,140,739,010.28 and 492,167,131.56 is: 678,977,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,882,291.08 : 1,140,739,010.28 = 492,167,131.56 : x
  2. Step 2: Convert to fraction form
    826,882,291.08/1,140,739,010.28 = 492,167,131.56/x
  3. Step 3: Cross multiply
    826,882,291.08x = 1,140,739,010.28 × 492,167,131.56
  4. Step 4: Simplify right side
    826,882,291.08x = 561,434,246,548,100,928
  5. Step 5: Solve for x
    x = 561,434,246,548,100,928/826,882,291.08
  6. Step 6: Final answer
    x = 678,977,228.81

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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.