Home / 809,050,867.20-1,213,576,300.80-349,885,843.20

Finding the Fourth Proportional to 809,050,867.20, 1,213,576,300.80 and 349,885,843.20

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Solution

The fourth proportional to 809,050,867.20, 1,213,576,300.80 and 349,885,843.20 is: 524,828,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,050,867.20 : 1,213,576,300.80 = 349,885,843.20 : x
  2. Step 2: Convert to fraction form
    809,050,867.20/1,213,576,300.80 = 349,885,843.20/x
  3. Step 3: Cross multiply
    809,050,867.20x = 1,213,576,300.80 × 349,885,843.20
  4. Step 4: Simplify right side
    809,050,867.20x = 424,613,167,292,944,832
  5. Step 5: Solve for x
    x = 424,613,167,292,944,832/809,050,867.20
  6. Step 6: Final answer
    x = 524,828,764.80

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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.