Home / 457,258,615.24-631,021,322.97-248,416,255.30

Finding the Fourth Proportional to 457,258,615.24, 631,021,322.97 and 248,416,255.30

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Solution

The fourth proportional to 457,258,615.24, 631,021,322.97 and 248,416,255.30 is: 342,816,841.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,258,615.24 : 631,021,322.97 = 248,416,255.30 : x
  2. Step 2: Convert to fraction form
    457,258,615.24/631,021,322.97 = 248,416,255.30/x
  3. Step 3: Cross multiply
    457,258,615.24x = 631,021,322.97 × 248,416,255.30
  4. Step 4: Simplify right side
    457,258,615.24x = 156,755,954,066,659,296
  5. Step 5: Solve for x
    x = 156,755,954,066,659,296/457,258,615.24
  6. Step 6: Final answer
    x = 342,816,841.15

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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.