Home / 2,188,248,879.60-3,282,373,319.40-656,439,087.60

Finding the Fourth Proportional to 2,188,248,879.60, 3,282,373,319.40 and 656,439,087.60

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Solution

The fourth proportional to 2,188,248,879.60, 3,282,373,319.40 and 656,439,087.60 is: 984,658,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,248,879.60 : 3,282,373,319.40 = 656,439,087.60 : x
  2. Step 2: Convert to fraction form
    2,188,248,879.60/3,282,373,319.40 = 656,439,087.60/x
  3. Step 3: Cross multiply
    2,188,248,879.60x = 3,282,373,319.40 × 656,439,087.60
  4. Step 4: Simplify right side
    2,188,248,879.60x = 2,154,678,146,949,519,616
  5. Step 5: Solve for x
    x = 2,154,678,146,949,519,616/2,188,248,879.60
  6. Step 6: Final answer
    x = 984,658,631.40

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Double scale
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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.