Home / 516,660,315.09-713,002,997.39-293,606,851.02

Finding the Fourth Proportional to 516,660,315.09, 713,002,997.39 and 293,606,851.02

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Solution

The fourth proportional to 516,660,315.09, 713,002,997.39 and 293,606,851.02 is: 405,184,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,660,315.09 : 713,002,997.39 = 293,606,851.02 : x
  2. Step 2: Convert to fraction form
    516,660,315.09/713,002,997.39 = 293,606,851.02/x
  3. Step 3: Cross multiply
    516,660,315.09x = 713,002,997.39 × 293,606,851.02
  4. Step 4: Simplify right side
    516,660,315.09x = 209,342,564,831,499,168
  5. Step 5: Solve for x
    x = 209,342,564,831,499,168/516,660,315.09
  6. Step 6: Final answer
    x = 405,184,138.82

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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.