Home / 400,593,122.40-552,542,498.04-281,767,731.12

Finding the Fourth Proportional to 400,593,122.40, 552,542,498.04 and 281,767,731.12

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Solution

The fourth proportional to 400,593,122.40, 552,542,498.04 and 281,767,731.12 is: 388,645,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,593,122.40 : 552,542,498.04 = 281,767,731.12 : x
  2. Step 2: Convert to fraction form
    400,593,122.40/552,542,498.04 = 281,767,731.12/x
  3. Step 3: Cross multiply
    400,593,122.40x = 552,542,498.04 × 281,767,731.12
  4. Step 4: Simplify right side
    400,593,122.40x = 155,688,646,020,107,840
  5. Step 5: Solve for x
    x = 155,688,646,020,107,840/400,593,122.40
  6. Step 6: Final answer
    x = 388,645,329.42

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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.