Home / 403,835,730.24-557,293,308.80-218,196,745.92

Finding the Fourth Proportional to 403,835,730.24, 557,293,308.80 and 218,196,745.92

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Solution

The fourth proportional to 403,835,730.24, 557,293,308.80 and 218,196,745.92 is: 301,111,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,835,730.24 : 557,293,308.80 = 218,196,745.92 : x
  2. Step 2: Convert to fraction form
    403,835,730.24/557,293,308.80 = 218,196,745.92/x
  3. Step 3: Cross multiply
    403,835,730.24x = 557,293,308.80 × 218,196,745.92
  4. Step 4: Simplify right side
    403,835,730.24x = 121,599,586,503,149,680
  5. Step 5: Solve for x
    x = 121,599,586,503,149,680/403,835,730.24
  6. Step 6: Final answer
    x = 301,111,509.95

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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.