Home / 552,541,953.29-762,503,218.85-305,017,993.13

Finding the Fourth Proportional to 552,541,953.29, 762,503,218.85 and 305,017,993.13

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Solution

The fourth proportional to 552,541,953.29, 762,503,218.85 and 305,017,993.13 is: 420,922,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,541,953.29 : 762,503,218.85 = 305,017,993.13 : x
  2. Step 2: Convert to fraction form
    552,541,953.29/762,503,218.85 = 305,017,993.13/x
  3. Step 3: Cross multiply
    552,541,953.29x = 762,503,218.85 × 305,017,993.13
  4. Step 4: Simplify right side
    552,541,953.29x = 232,577,201,565,742,208
  5. Step 5: Solve for x
    x = 232,577,201,565,742,208/552,541,953.29
  6. Step 6: Final answer
    x = 420,922,248.86

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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.