Home / 331,775,999.90-497,663,999.85-303,558,451.10

Finding the Fourth Proportional to 331,775,999.90, 497,663,999.85 and 303,558,451.10

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Solution

The fourth proportional to 331,775,999.90, 497,663,999.85 and 303,558,451.10 is: 455,337,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,775,999.90 : 497,663,999.85 = 303,558,451.10 : x
  2. Step 2: Convert to fraction form
    331,775,999.90/497,663,999.85 = 303,558,451.10/x
  3. Step 3: Cross multiply
    331,775,999.90x = 497,663,999.85 × 303,558,451.10
  4. Step 4: Simplify right side
    331,775,999.90x = 151,070,112,962,696,640
  5. Step 5: Solve for x
    x = 151,070,112,962,696,640/331,775,999.90
  6. Step 6: Final answer
    x = 455,337,676.65

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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.