Home / 5,318,785,600.40-7,978,178,400.60-2,416,409,152.40

Finding the Fourth Proportional to 5,318,785,600.40, 7,978,178,400.60 and 2,416,409,152.40

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Solution

The fourth proportional to 5,318,785,600.40, 7,978,178,400.60 and 2,416,409,152.40 is: 3,624,613,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,785,600.40 : 7,978,178,400.60 = 2,416,409,152.40 : x
  2. Step 2: Convert to fraction form
    5,318,785,600.40/7,978,178,400.60 = 2,416,409,152.40/x
  3. Step 3: Cross multiply
    5,318,785,600.40x = 7,978,178,400.60 × 2,416,409,152.40
  4. Step 4: Simplify right side
    5,318,785,600.40x = 19,278,543,306,689,835,008
  5. Step 5: Solve for x
    x = 19,278,543,306,689,835,008/5,318,785,600.40
  6. Step 6: Final answer
    x = 3,624,613,728.60

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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.