Home / 664,273,113.90-996,409,670.85-354,336,722.70

Finding the Fourth Proportional to 664,273,113.90, 996,409,670.85 and 354,336,722.70

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Solution

The fourth proportional to 664,273,113.90, 996,409,670.85 and 354,336,722.70 is: 531,505,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,273,113.90 : 996,409,670.85 = 354,336,722.70 : x
  2. Step 2: Convert to fraction form
    664,273,113.90/996,409,670.85 = 354,336,722.70/x
  3. Step 3: Cross multiply
    664,273,113.90x = 996,409,670.85 × 354,336,722.70
  4. Step 4: Simplify right side
    664,273,113.90x = 353,064,537,235,574,720
  5. Step 5: Solve for x
    x = 353,064,537,235,574,720/664,273,113.90
  6. Step 6: Final answer
    x = 531,505,084.05

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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.