Home / 457,012,738.08-630,675,294.48-248,167,020.96

Finding the Fourth Proportional to 457,012,738.08, 630,675,294.48 and 248,167,020.96

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Solution

The fourth proportional to 457,012,738.08, 630,675,294.48 and 248,167,020.96 is: 342,469,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,012,738.08 : 630,675,294.48 = 248,167,020.96 : x
  2. Step 2: Convert to fraction form
    457,012,738.08/630,675,294.48 = 248,167,020.96/x
  3. Step 3: Cross multiply
    457,012,738.08x = 630,675,294.48 × 248,167,020.96
  4. Step 4: Simplify right side
    457,012,738.08x = 156,512,809,024,172,352
  5. Step 5: Solve for x
    x = 156,512,809,024,172,352/457,012,738.08
  6. Step 6: Final answer
    x = 342,469,248.63

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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.