Home / 404,573,025.29-558,310,775.56-218,934,040.91

Finding the Fourth Proportional to 404,573,025.29, 558,310,775.56 and 218,934,040.91

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Solution

The fourth proportional to 404,573,025.29, 558,310,775.56 and 218,934,040.91 is: 302,128,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573,025.29 : 558,310,775.56 = 218,934,040.91 : x
  2. Step 2: Convert to fraction form
    404,573,025.29/558,310,775.56 = 218,934,040.91/x
  3. Step 3: Cross multiply
    404,573,025.29x = 558,310,775.56 × 218,934,040.91
  4. Step 4: Simplify right side
    404,573,025.29x = 122,233,234,173,607,984
  5. Step 5: Solve for x
    x = 122,233,234,173,607,984/404,573,025.29
  6. Step 6: Final answer
    x = 302,128,976.81

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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.