Home / 403,720,371.50-557,133,684.90-218,081,357.42

Finding the Fourth Proportional to 403,720,371.50, 557,133,684.90 and 218,081,357.42

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Solution

The fourth proportional to 403,720,371.50, 557,133,684.90 and 218,081,357.42 is: 300,952,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,720,371.50 : 557,133,684.90 = 218,081,357.42 : x
  2. Step 2: Convert to fraction form
    403,720,371.50/557,133,684.90 = 218,081,357.42/x
  3. Step 3: Cross multiply
    403,720,371.50x = 557,133,684.90 × 218,081,357.42
  4. Step 4: Simplify right side
    403,720,371.50x = 121,500,470,267,398,544
  5. Step 5: Solve for x
    x = 121,500,470,267,398,544/403,720,371.50
  6. Step 6: Final answer
    x = 300,952,042.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.