Home / 555,568,504.40-766,242,195.72-357,352,769.36

Finding the Fourth Proportional to 555,568,504.40, 766,242,195.72 and 357,352,769.36

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Solution

The fourth proportional to 555,568,504.40, 766,242,195.72 and 357,352,769.36 is: 492,862,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,568,504.40 : 766,242,195.72 = 357,352,769.36 : x
  2. Step 2: Convert to fraction form
    555,568,504.40/766,242,195.72 = 357,352,769.36/x
  3. Step 3: Cross multiply
    555,568,504.40x = 766,242,195.72 × 357,352,769.36
  4. Step 4: Simplify right side
    555,568,504.40x = 273,818,770,641,029,152
  5. Step 5: Solve for x
    x = 273,818,770,641,029,152/555,568,504.40
  6. Step 6: Final answer
    x = 492,862,299.56

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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.