Home / 354,334,815.60-531,502,223.40-331,659,999.60

Finding the Fourth Proportional to 354,334,815.60, 531,502,223.40 and 331,659,999.60

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Solution

The fourth proportional to 354,334,815.60, 531,502,223.40 and 331,659,999.60 is: 497,489,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,334,815.60 : 531,502,223.40 = 331,659,999.60 : x
  2. Step 2: Convert to fraction form
    354,334,815.60/531,502,223.40 = 331,659,999.60/x
  3. Step 3: Cross multiply
    354,334,815.60x = 531,502,223.40 × 331,659,999.60
  4. Step 4: Simplify right side
    354,334,815.60x = 176,278,027,200,243,104
  5. Step 5: Solve for x
    x = 176,278,027,200,243,104/354,334,815.60
  6. Step 6: Final answer
    x = 497,489,999.40

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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.