Home / 450,655,912.80-674,819,670.96-311,027,220.72

Finding the Fourth Proportional to 450,655,912.80, 674,819,670.96 and 311,027,220.72

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Solution

The fourth proportional to 450,655,912.80, 674,819,670.96 and 311,027,220.72 is: 465,737,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,655,912.80 : 674,819,670.96 = 311,027,220.72 : x
  2. Step 2: Convert to fraction form
    450,655,912.80/674,819,670.96 = 311,027,220.72/x
  3. Step 3: Cross multiply
    450,655,912.80x = 674,819,670.96 × 311,027,220.72
  4. Step 4: Simplify right side
    450,655,912.80x = 209,887,286,745,873,728
  5. Step 5: Solve for x
    x = 209,887,286,745,873,728/450,655,912.80
  6. Step 6: Final answer
    x = 465,737,341.47

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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.