Home / 403,589,110.74-556,952,969.55-217,950,110.02

Finding the Fourth Proportional to 403,589,110.74, 556,952,969.55 and 217,950,110.02

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Solution

The fourth proportional to 403,589,110.74, 556,952,969.55 and 217,950,110.02 is: 300,771,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,589,110.74 : 556,952,969.55 = 217,950,110.02 : x
  2. Step 2: Convert to fraction form
    403,589,110.74/556,952,969.55 = 217,950,110.02/x
  3. Step 3: Cross multiply
    403,589,110.74x = 556,952,969.55 × 217,950,110.02
  4. Step 4: Simplify right side
    403,589,110.74x = 121,387,960,989,388,208
  5. Step 5: Solve for x
    x = 121,387,960,989,388,208/403,589,110.74
  6. Step 6: Final answer
    x = 300,771,150.06

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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.