Home / 638,463,002.10-957,316,589.55-332,352,986.10

Finding the Fourth Proportional to 638,463,002.10, 957,316,589.55 and 332,352,986.10

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Solution

The fourth proportional to 638,463,002.10, 957,316,589.55 and 332,352,986.10 is: 498,332,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,463,002.10 : 957,316,589.55 = 332,352,986.10 : x
  2. Step 2: Convert to fraction form
    638,463,002.10/957,316,589.55 = 332,352,986.10/x
  3. Step 3: Cross multiply
    638,463,002.10x = 957,316,589.55 × 332,352,986.10
  4. Step 4: Simplify right side
    638,463,002.10x = 318,167,027,180,010,560
  5. Step 5: Solve for x
    x = 318,167,027,180,010,560/638,463,002.10
  6. Step 6: Final answer
    x = 498,332,755.59

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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.