Home / 3,493,091,865.20-4,820,889,484.77-1,988,084,151.86

Finding the Fourth Proportional to 3,493,091,865.20, 4,820,889,484.77 and 1,988,084,151.86

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Solution

The fourth proportional to 3,493,091,865.20, 4,820,889,484.77 and 1,988,084,151.86 is: 2,743,796,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493,091,865.20 : 4,820,889,484.77 = 1,988,084,151.86 : x
  2. Step 2: Convert to fraction form
    3,493,091,865.20/4,820,889,484.77 = 1,988,084,151.86/x
  3. Step 3: Cross multiply
    3,493,091,865.20x = 4,820,889,484.77 × 1,988,084,151.86
  4. Step 4: Simplify right side
    3,493,091,865.20x = 9,584,333,982,539,757,568
  5. Step 5: Solve for x
    x = 9,584,333,982,539,757,568/3,493,091,865.20
  6. Step 6: Final answer
    x = 2,743,796,714.32

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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.