Home / 1,303,550,560.49-1,798,933,867.20-708,869,825.42

Finding the Fourth Proportional to 1,303,550,560.49, 1,798,933,867.20 and 708,869,825.42

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Solution

The fourth proportional to 1,303,550,560.49, 1,798,933,867.20 and 708,869,825.42 is: 978,258,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,550,560.49 : 1,798,933,867.20 = 708,869,825.42 : x
  2. Step 2: Convert to fraction form
    1,303,550,560.49/1,798,933,867.20 = 708,869,825.42/x
  3. Step 3: Cross multiply
    1,303,550,560.49x = 1,798,933,867.20 × 708,869,825.42
  4. Step 4: Simplify right side
    1,303,550,560.49x = 1,275,209,936,375,194,880
  5. Step 5: Solve for x
    x = 1,275,209,936,375,194,880/1,303,550,560.49
  6. Step 6: Final answer
    x = 978,258,899.22

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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.