Home / 374,240,997.20-516,426,358.38-217,596,990.98

Finding the Fourth Proportional to 374,240,997.20, 516,426,358.38 and 217,596,990.98

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Solution

The fourth proportional to 374,240,997.20, 516,426,358.38 and 217,596,990.98 is: 300,268,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,240,997.20 : 516,426,358.38 = 217,596,990.98 : x
  2. Step 2: Convert to fraction form
    374,240,997.20/516,426,358.38 = 217,596,990.98/x
  3. Step 3: Cross multiply
    374,240,997.20x = 516,426,358.38 × 217,596,990.98
  4. Step 4: Simplify right side
    374,240,997.20x = 112,372,821,646,247,104
  5. Step 5: Solve for x
    x = 112,372,821,646,247,104/374,240,997.20
  6. Step 6: Final answer
    x = 300,268,603.62

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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.