Home / 403,589,101.19-556,952,956.34-217,950,100.47

Finding the Fourth Proportional to 403,589,101.19, 556,952,956.34 and 217,950,100.47

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Solution

The fourth proportional to 403,589,101.19, 556,952,956.34 and 217,950,100.47 is: 300,771,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,589,101.19 : 556,952,956.34 = 217,950,100.47 : x
  2. Step 2: Convert to fraction form
    403,589,101.19/556,952,956.34 = 217,950,100.47/x
  3. Step 3: Cross multiply
    403,589,101.19x = 556,952,956.34 × 217,950,100.47
  4. Step 4: Simplify right side
    403,589,101.19x = 121,387,952,790,276,784
  5. Step 5: Solve for x
    x = 121,387,952,790,276,784/403,589,101.19
  6. Step 6: Final answer
    x = 300,771,136.87

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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.