Home / 1,746,151,479.80-2,619,227,219.70-827,821,431.80

Finding the Fourth Proportional to 1,746,151,479.80, 2,619,227,219.70 and 827,821,431.80

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Solution

The fourth proportional to 1,746,151,479.80, 2,619,227,219.70 and 827,821,431.80 is: 1,241,732,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,151,479.80 : 2,619,227,219.70 = 827,821,431.80 : x
  2. Step 2: Convert to fraction form
    1,746,151,479.80/2,619,227,219.70 = 827,821,431.80/x
  3. Step 3: Cross multiply
    1,746,151,479.80x = 2,619,227,219.70 × 827,821,431.80
  4. Step 4: Simplify right side
    1,746,151,479.80x = 2,168,252,427,221,586,944
  5. Step 5: Solve for x
    x = 2,168,252,427,221,586,944/1,746,151,479.80
  6. Step 6: Final answer
    x = 1,241,732,147.70

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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.