Home / 370,124,910.51-511,004,970.84-238,195,682.81

Finding the Fourth Proportional to 370,124,910.51, 511,004,970.84 and 238,195,682.81

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Solution

The fourth proportional to 370,124,910.51, 511,004,970.84 and 238,195,682.81 is: 328,859,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,124,910.51 : 511,004,970.84 = 238,195,682.81 : x
  2. Step 2: Convert to fraction form
    370,124,910.51/511,004,970.84 = 238,195,682.81/x
  3. Step 3: Cross multiply
    370,124,910.51x = 511,004,970.84 × 238,195,682.81
  4. Step 4: Simplify right side
    370,124,910.51x = 121,719,177,945,982,912
  5. Step 5: Solve for x
    x = 121,719,177,945,982,912/370,124,910.51
  6. Step 6: Final answer
    x = 328,859,729.49

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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.