Home / 274,091,385.40-378,336,562.86-245,034,852.40

Finding the Fourth Proportional to 274,091,385.40, 378,336,562.86 and 245,034,852.40

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Solution

The fourth proportional to 274,091,385.40, 378,336,562.86 and 245,034,852.40 is: 338,228,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,091,385.40 : 378,336,562.86 = 245,034,852.40 : x
  2. Step 2: Convert to fraction form
    274,091,385.40/378,336,562.86 = 245,034,852.40/x
  3. Step 3: Cross multiply
    274,091,385.40x = 378,336,562.86 × 245,034,852.40
  4. Step 4: Simplify right side
    274,091,385.40x = 92,705,643,837,923,424
  5. Step 5: Solve for x
    x = 92,705,643,837,923,424/274,091,385.40
  6. Step 6: Final answer
    x = 338,228,958.57

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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.