Home / 311,878,133.40-467,313,315.30-196,656,475.80

Finding the Fourth Proportional to 311,878,133.40, 467,313,315.30 and 196,656,475.80

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Solution

The fourth proportional to 311,878,133.40, 467,313,315.30 and 196,656,475.80 is: 294,666,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,878,133.40 : 467,313,315.30 = 196,656,475.80 : x
  2. Step 2: Convert to fraction form
    311,878,133.40/467,313,315.30 = 196,656,475.80/x
  3. Step 3: Cross multiply
    311,878,133.40x = 467,313,315.30 × 196,656,475.80
  4. Step 4: Simplify right side
    311,878,133.40x = 91,900,189,681,312,224
  5. Step 5: Solve for x
    x = 91,900,189,681,312,224/311,878,133.40
  6. Step 6: Final answer
    x = 294,666,986.36

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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.