Home / 457,790,746.92-631,755,729.36-248,951,427.72

Finding the Fourth Proportional to 457,790,746.92, 631,755,729.36 and 248,951,427.72

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Solution

The fourth proportional to 457,790,746.92, 631,755,729.36 and 248,951,427.72 is: 343,555,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,790,746.92 : 631,755,729.36 = 248,951,427.72 : x
  2. Step 2: Convert to fraction form
    457,790,746.92/631,755,729.36 = 248,951,427.72/x
  3. Step 3: Cross multiply
    457,790,746.92x = 631,755,729.36 × 248,951,427.72
  4. Step 4: Simplify right side
    457,790,746.92x = 157,276,490,794,461,920
  5. Step 5: Solve for x
    x = 157,276,490,794,461,920/457,790,746.92
  6. Step 6: Final answer
    x = 343,555,416.65

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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.