Home / 804,072,513.20-1,206,108,769.80-344,057,183.60

Finding the Fourth Proportional to 804,072,513.20, 1,206,108,769.80 and 344,057,183.60

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Solution

The fourth proportional to 804,072,513.20, 1,206,108,769.80 and 344,057,183.60 is: 516,085,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,072,513.20 : 1,206,108,769.80 = 344,057,183.60 : x
  2. Step 2: Convert to fraction form
    804,072,513.20/1,206,108,769.80 = 344,057,183.60/x
  3. Step 3: Cross multiply
    804,072,513.20x = 1,206,108,769.80 × 344,057,183.60
  4. Step 4: Simplify right side
    804,072,513.20x = 414,970,386,452,648,768
  5. Step 5: Solve for x
    x = 414,970,386,452,648,768/804,072,513.20
  6. Step 6: Final answer
    x = 516,085,775.40

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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.