Home / 311,877,857.90-467,312,902.05-196,656,200.30

Finding the Fourth Proportional to 311,877,857.90, 467,312,902.05 and 196,656,200.30

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Solution

The fourth proportional to 311,877,857.90, 467,312,902.05 and 196,656,200.30 is: 294,666,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,877,857.90 : 467,312,902.05 = 196,656,200.30 : x
  2. Step 2: Convert to fraction form
    311,877,857.90/467,312,902.05 = 196,656,200.30/x
  3. Step 3: Cross multiply
    311,877,857.90x = 467,312,902.05 × 196,656,200.30
  4. Step 4: Simplify right side
    311,877,857.90x = 91,899,979,668,319,088
  5. Step 5: Solve for x
    x = 91,899,979,668,319,088/311,877,857.90
  6. Step 6: Final answer
    x = 294,666,573.28

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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.