Home / 403,801,393.86-557,246,317.77-218,162,557.17

Finding the Fourth Proportional to 403,801,393.86, 557,246,317.77 and 218,162,557.17

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Solution

The fourth proportional to 403,801,393.86, 557,246,317.77 and 218,162,557.17 is: 301,064,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,801,393.86 : 557,246,317.77 = 218,162,557.17 : x
  2. Step 2: Convert to fraction form
    403,801,393.86/557,246,317.77 = 218,162,557.17/x
  3. Step 3: Cross multiply
    403,801,393.86x = 557,246,317.77 × 218,162,557.17
  4. Step 4: Simplify right side
    403,801,393.86x = 121,570,281,658,269,600
  5. Step 5: Solve for x
    x = 121,570,281,658,269,600/403,801,393.86
  6. Step 6: Final answer
    x = 301,064,541.89

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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.