Home / 374,014,008.24-516,114,735.94-215,218,501.28

Finding the Fourth Proportional to 374,014,008.24, 516,114,735.94 and 215,218,501.28

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Solution

The fourth proportional to 374,014,008.24, 516,114,735.94 and 215,218,501.28 is: 296,987,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,014,008.24 : 516,114,735.94 = 215,218,501.28 : x
  2. Step 2: Convert to fraction form
    374,014,008.24/516,114,735.94 = 215,218,501.28/x
  3. Step 3: Cross multiply
    374,014,008.24x = 516,114,735.94 × 215,218,501.28
  4. Step 4: Simplify right side
    374,014,008.24x = 111,077,439,957,529,760
  5. Step 5: Solve for x
    x = 111,077,439,957,529,760/374,014,008.24
  6. Step 6: Final answer
    x = 296,987,378.84

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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.