Home / 347,795,999.80-521,693,999.70-330,789,887.80

Finding the Fourth Proportional to 347,795,999.80, 521,693,999.70 and 330,789,887.80

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Solution

The fourth proportional to 347,795,999.80, 521,693,999.70 and 330,789,887.80 is: 496,184,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,795,999.80 : 521,693,999.70 = 330,789,887.80 : x
  2. Step 2: Convert to fraction form
    347,795,999.80/521,693,999.70 = 330,789,887.80/x
  3. Step 3: Cross multiply
    347,795,999.80x = 521,693,999.70 × 330,789,887.80
  4. Step 4: Simplify right side
    347,795,999.80x = 172,571,099,626,696,224
  5. Step 5: Solve for x
    x = 172,571,099,626,696,224/347,795,999.80
  6. Step 6: Final answer
    x = 496,184,831.70

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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.