Home / 552,599,755.16-762,931,818.30-351,769,945

Finding the Fourth Proportional to 552,599,755.16, 762,931,818.30 and 351,769,945

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Solution

The fourth proportional to 552,599,755.16, 762,931,818.30 and 351,769,945 is: 485,661,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,599,755.16 : 762,931,818.30 = 351,769,945 : x
  2. Step 2: Convert to fraction form
    552,599,755.16/762,931,818.30 = 351,769,945/x
  3. Step 3: Cross multiply
    552,599,755.16x = 762,931,818.30 × 351,769,945
  4. Step 4: Simplify right side
    552,599,755.16x = 268,376,483,762,140,992
  5. Step 5: Solve for x
    x = 268,376,483,762,140,992/552,599,755.16
  6. Step 6: Final answer
    x = 485,661,604.54

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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.