Home / 2,870,876,124.64-4,306,314,189.39-689,842,260.64

Finding the Fourth Proportional to 2,870,876,124.64, 4,306,314,189.39 and 689,842,260.64

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Solution

The fourth proportional to 2,870,876,124.64, 4,306,314,189.39 and 689,842,260.64 is: 1,034,763,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,876,124.64 : 4,306,314,189.39 = 689,842,260.64 : x
  2. Step 2: Convert to fraction form
    2,870,876,124.64/4,306,314,189.39 = 689,842,260.64/x
  3. Step 3: Cross multiply
    2,870,876,124.64x = 4,306,314,189.39 × 689,842,260.64
  4. Step 4: Simplify right side
    2,870,876,124.64x = 2,970,677,515,434,906,624
  5. Step 5: Solve for x
    x = 2,970,677,515,434,906,624/2,870,876,124.64
  6. Step 6: Final answer
    x = 1,034,763,391.54

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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.