Home / 664,607,277.60-996,910,916.40-320,233,509.60

Finding the Fourth Proportional to 664,607,277.60, 996,910,916.40 and 320,233,509.60

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Solution

The fourth proportional to 664,607,277.60, 996,910,916.40 and 320,233,509.60 is: 480,350,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,607,277.60 : 996,910,916.40 = 320,233,509.60 : x
  2. Step 2: Convert to fraction form
    664,607,277.60/996,910,916.40 = 320,233,509.60/x
  3. Step 3: Cross multiply
    664,607,277.60x = 996,910,916.40 × 320,233,509.60
  4. Step 4: Simplify right side
    664,607,277.60x = 319,244,281,517,324,224
  5. Step 5: Solve for x
    x = 319,244,281,517,324,224/664,607,277.60
  6. Step 6: Final answer
    x = 480,350,264.40

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Double scale
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Similar ratio
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1.5x scale

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.