Home / 268,349,828.30-402,524,742.45-203,852,573.90

Finding the Fourth Proportional to 268,349,828.30, 402,524,742.45 and 203,852,573.90

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Solution

The fourth proportional to 268,349,828.30, 402,524,742.45 and 203,852,573.90 is: 305,778,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,349,828.30 : 402,524,742.45 = 203,852,573.90 : x
  2. Step 2: Convert to fraction form
    268,349,828.30/402,524,742.45 = 203,852,573.90/x
  3. Step 3: Cross multiply
    268,349,828.30x = 402,524,742.45 × 203,852,573.90
  4. Step 4: Simplify right side
    268,349,828.30x = 82,055,704,806,867,088
  5. Step 5: Solve for x
    x = 82,055,704,806,867,088/268,349,828.30
  6. Step 6: Final answer
    x = 305,778,860.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.