Home / 331,573,288.40-497,359,932.60-311,401,307.60

Finding the Fourth Proportional to 331,573,288.40, 497,359,932.60 and 311,401,307.60

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Solution

The fourth proportional to 331,573,288.40, 497,359,932.60 and 311,401,307.60 is: 467,101,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,573,288.40 : 497,359,932.60 = 311,401,307.60 : x
  2. Step 2: Convert to fraction form
    331,573,288.40/497,359,932.60 = 311,401,307.60/x
  3. Step 3: Cross multiply
    331,573,288.40x = 497,359,932.60 × 311,401,307.60
  4. Step 4: Simplify right side
    331,573,288.40x = 154,878,533,359,487,872
  5. Step 5: Solve for x
    x = 154,878,533,359,487,872/331,573,288.40
  6. Step 6: Final answer
    x = 467,101,961.40

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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.