Home / 663,296,923.20-994,945,384.80-318,072,849.60

Finding the Fourth Proportional to 663,296,923.20, 994,945,384.80 and 318,072,849.60

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Solution

The fourth proportional to 663,296,923.20, 994,945,384.80 and 318,072,849.60 is: 477,109,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,296,923.20 : 994,945,384.80 = 318,072,849.60 : x
  2. Step 2: Convert to fraction form
    663,296,923.20/994,945,384.80 = 318,072,849.60/x
  3. Step 3: Cross multiply
    663,296,923.20x = 994,945,384.80 × 318,072,849.60
  4. Step 4: Simplify right side
    663,296,923.20x = 316,465,113,739,704,512
  5. Step 5: Solve for x
    x = 316,465,113,739,704,512/663,296,923.20
  6. Step 6: Final answer
    x = 477,109,274.40

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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.