Home / 682,853,309.10-1,024,281,538.29-393,610,836.78

Finding the Fourth Proportional to 682,853,309.10, 1,024,281,538.29 and 393,610,836.78

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Solution

The fourth proportional to 682,853,309.10, 1,024,281,538.29 and 393,610,836.78 is: 590,417,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,853,309.10 : 1,024,281,538.29 = 393,610,836.78 : x
  2. Step 2: Convert to fraction form
    682,853,309.10/1,024,281,538.29 = 393,610,836.78/x
  3. Step 3: Cross multiply
    682,853,309.10x = 1,024,281,538.29 × 393,610,836.78
  4. Step 4: Simplify right side
    682,853,309.10x = 403,168,313,384,632,448
  5. Step 5: Solve for x
    x = 403,168,313,384,632,448/682,853,309.10
  6. Step 6: Final answer
    x = 590,417,162.83

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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.