Home / 331,775,999.80-497,663,999.70-307,589,529.40

Finding the Fourth Proportional to 331,775,999.80, 497,663,999.70 and 307,589,529.40

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Solution

The fourth proportional to 331,775,999.80, 497,663,999.70 and 307,589,529.40 is: 461,384,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,775,999.80 : 497,663,999.70 = 307,589,529.40 : x
  2. Step 2: Convert to fraction form
    331,775,999.80/497,663,999.70 = 307,589,529.40/x
  3. Step 3: Cross multiply
    331,775,999.80x = 497,663,999.70 × 307,589,529.40
  4. Step 4: Simplify right side
    331,775,999.80x = 153,076,235,467,044,736
  5. Step 5: Solve for x
    x = 153,076,235,467,044,736/331,775,999.80
  6. Step 6: Final answer
    x = 461,384,294.10

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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.