Home / 1,586,285,660.60-2,188,162,473.42-990,535,969.32

Finding the Fourth Proportional to 1,586,285,660.60, 2,188,162,473.42 and 990,535,969.32

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Solution

The fourth proportional to 1,586,285,660.60, 2,188,162,473.42 and 990,535,969.32 is: 1,366,370,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,285,660.60 : 2,188,162,473.42 = 990,535,969.32 : x
  2. Step 2: Convert to fraction form
    1,586,285,660.60/2,188,162,473.42 = 990,535,969.32/x
  3. Step 3: Cross multiply
    1,586,285,660.60x = 2,188,162,473.42 × 990,535,969.32
  4. Step 4: Simplify right side
    1,586,285,660.60x = 2,167,453,636,638,728,704
  5. Step 5: Solve for x
    x = 2,167,453,636,638,728,704/1,586,285,660.60
  6. Step 6: Final answer
    x = 1,366,370,314.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.