Home / 2,911,659,334.40-4,367,489,001.60-1,279,072,582.40

Finding the Fourth Proportional to 2,911,659,334.40, 4,367,489,001.60 and 1,279,072,582.40

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Solution

The fourth proportional to 2,911,659,334.40, 4,367,489,001.60 and 1,279,072,582.40 is: 1,918,608,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,659,334.40 : 4,367,489,001.60 = 1,279,072,582.40 : x
  2. Step 2: Convert to fraction form
    2,911,659,334.40/4,367,489,001.60 = 1,279,072,582.40/x
  3. Step 3: Cross multiply
    2,911,659,334.40x = 4,367,489,001.60 × 1,279,072,582.40
  4. Step 4: Simplify right side
    2,911,659,334.40x = 5,586,335,435,880,111,104
  5. Step 5: Solve for x
    x = 5,586,335,435,880,111,104/2,911,659,334.40
  6. Step 6: Final answer
    x = 1,918,608,873.60

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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.