Home / 354,345,861.60-531,518,792.40-320,333,637.60

Finding the Fourth Proportional to 354,345,861.60, 531,518,792.40 and 320,333,637.60

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Solution

The fourth proportional to 354,345,861.60, 531,518,792.40 and 320,333,637.60 is: 480,500,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,345,861.60 : 531,518,792.40 = 320,333,637.60 : x
  2. Step 2: Convert to fraction form
    354,345,861.60/531,518,792.40 = 320,333,637.60/x
  3. Step 3: Cross multiply
    354,345,861.60x = 531,518,792.40 × 320,333,637.60
  4. Step 4: Simplify right side
    354,345,861.60x = 170,263,348,222,251,232
  5. Step 5: Solve for x
    x = 170,263,348,222,251,232/354,345,861.60
  6. Step 6: Final answer
    x = 480,500,456.40

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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.