Home / 385,714,026.09-532,292,369.22-218,485,010.25

Finding the Fourth Proportional to 385,714,026.09, 532,292,369.22 and 218,485,010.25

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Solution

The fourth proportional to 385,714,026.09, 532,292,369.22 and 218,485,010.25 is: 301,513,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,714,026.09 : 532,292,369.22 = 218,485,010.25 : x
  2. Step 2: Convert to fraction form
    385,714,026.09/532,292,369.22 = 218,485,010.25/x
  3. Step 3: Cross multiply
    385,714,026.09x = 532,292,369.22 × 218,485,010.25
  4. Step 4: Simplify right side
    385,714,026.09x = 116,297,903,745,028,496
  5. Step 5: Solve for x
    x = 116,297,903,745,028,496/385,714,026.09
  6. Step 6: Final answer
    x = 301,513,286.73

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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.