Home / 404,580,340.92-558,320,851.50-218,941,335.48

Finding the Fourth Proportional to 404,580,340.92, 558,320,851.50 and 218,941,335.48

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Solution

The fourth proportional to 404,580,340.92, 558,320,851.50 and 218,941,335.48 is: 302,139,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,580,340.92 : 558,320,851.50 = 218,941,335.48 : x
  2. Step 2: Convert to fraction form
    404,580,340.92/558,320,851.50 = 218,941,335.48/x
  3. Step 3: Cross multiply
    404,580,340.92x = 558,320,851.50 × 218,941,335.48
  4. Step 4: Simplify right side
    404,580,340.92x = 122,239,512,853,740,752
  5. Step 5: Solve for x
    x = 122,239,512,853,740,752/404,580,340.92
  6. Step 6: Final answer
    x = 302,139,032.70

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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.