Home / 404,405,854.04-558,079,790.28-218,767,014.92

Finding the Fourth Proportional to 404,405,854.04, 558,079,790.28 and 218,767,014.92

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Solution

The fourth proportional to 404,405,854.04, 558,079,790.28 and 218,767,014.92 is: 301,898,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,405,854.04 : 558,079,790.28 = 218,767,014.92 : x
  2. Step 2: Convert to fraction form
    404,405,854.04/558,079,790.28 = 218,767,014.92/x
  3. Step 3: Cross multiply
    404,405,854.04x = 558,079,790.28 × 218,767,014.92
  4. Step 4: Simplify right side
    404,405,854.04x = 122,089,449,806,735,216
  5. Step 5: Solve for x
    x = 122,089,449,806,735,216/404,405,854.04
  6. Step 6: Final answer
    x = 301,898,324.63

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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.