Home / 311,877,680.40-467,312,635.80-196,656,022.80

Finding the Fourth Proportional to 311,877,680.40, 467,312,635.80 and 196,656,022.80

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Solution

The fourth proportional to 311,877,680.40, 467,312,635.80 and 196,656,022.80 is: 294,666,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,877,680.40 : 467,312,635.80 = 196,656,022.80 : x
  2. Step 2: Convert to fraction form
    311,877,680.40/467,312,635.80 = 196,656,022.80/x
  3. Step 3: Cross multiply
    311,877,680.40x = 467,312,635.80 × 196,656,022.80
  4. Step 4: Simplify right side
    311,877,680.40x = 91,899,844,360,612,912
  5. Step 5: Solve for x
    x = 91,899,844,360,612,912/311,877,680.40
  6. Step 6: Final answer
    x = 294,666,307.13

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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.