Home / 311,380,271.40-467,070,407.10-196,718,485.80

Finding the Fourth Proportional to 311,380,271.40, 467,070,407.10 and 196,718,485.80

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Solution

The fourth proportional to 311,380,271.40, 467,070,407.10 and 196,718,485.80 is: 295,077,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,380,271.40 : 467,070,407.10 = 196,718,485.80 : x
  2. Step 2: Convert to fraction form
    311,380,271.40/467,070,407.10 = 196,718,485.80/x
  3. Step 3: Cross multiply
    311,380,271.40x = 467,070,407.10 × 196,718,485.80
  4. Step 4: Simplify right side
    311,380,271.40x = 91,881,383,246,701,584
  5. Step 5: Solve for x
    x = 91,881,383,246,701,584/311,380,271.40
  6. Step 6: Final answer
    x = 295,077,728.70

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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.