Home / 1,586,285,657.60-2,188,162,469.28-990,535,966.32

Finding the Fourth Proportional to 1,586,285,657.60, 2,188,162,469.28 and 990,535,966.32

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Solution

The fourth proportional to 1,586,285,657.60, 2,188,162,469.28 and 990,535,966.32 is: 1,366,370,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,285,657.60 : 2,188,162,469.28 = 990,535,966.32 : x
  2. Step 2: Convert to fraction form
    1,586,285,657.60/2,188,162,469.28 = 990,535,966.32/x
  3. Step 3: Cross multiply
    1,586,285,657.60x = 2,188,162,469.28 × 990,535,966.32
  4. Step 4: Simplify right side
    1,586,285,657.60x = 2,167,453,625,973,422,336
  5. Step 5: Solve for x
    x = 2,167,453,625,973,422,336/1,586,285,657.60
  6. Step 6: Final answer
    x = 1,366,370,310.16

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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.