Home / 664,577,121.60-996,865,682.40-377,922,657.60

Finding the Fourth Proportional to 664,577,121.60, 996,865,682.40 and 377,922,657.60

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Solution

The fourth proportional to 664,577,121.60, 996,865,682.40 and 377,922,657.60 is: 566,883,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,577,121.60 : 996,865,682.40 = 377,922,657.60 : x
  2. Step 2: Convert to fraction form
    664,577,121.60/996,865,682.40 = 377,922,657.60/x
  3. Step 3: Cross multiply
    664,577,121.60x = 996,865,682.40 × 377,922,657.60
  4. Step 4: Simplify right side
    664,577,121.60x = 376,738,127,962,845,568
  5. Step 5: Solve for x
    x = 376,738,127,962,845,568/664,577,121.60
  6. Step 6: Final answer
    x = 566,883,986.40

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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.