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Finding the Fourth Proportional to 373,248,049.80, 559,872,074.70 and 347,738,881.80

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Solution

The fourth proportional to 373,248,049.80, 559,872,074.70 and 347,738,881.80 is: 521,608,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,049.80 : 559,872,074.70 = 347,738,881.80 : x
  2. Step 2: Convert to fraction form
    373,248,049.80/559,872,074.70 = 347,738,881.80/x
  3. Step 3: Cross multiply
    373,248,049.80x = 559,872,074.70 × 347,738,881.80
  4. Step 4: Simplify right side
    373,248,049.80x = 194,689,289,207,224,096
  5. Step 5: Solve for x
    x = 194,689,289,207,224,096/373,248,049.80
  6. Step 6: Final answer
    x = 521,608,322.70

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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.