Home / 839,812,206.30-1,259,718,309.45-635,738,862.30

Finding the Fourth Proportional to 839,812,206.30, 1,259,718,309.45 and 635,738,862.30

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Solution

The fourth proportional to 839,812,206.30, 1,259,718,309.45 and 635,738,862.30 is: 953,608,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,812,206.30 : 1,259,718,309.45 = 635,738,862.30 : x
  2. Step 2: Convert to fraction form
    839,812,206.30/1,259,718,309.45 = 635,738,862.30/x
  3. Step 3: Cross multiply
    839,812,206.30x = 1,259,718,309.45 × 635,738,862.30
  4. Step 4: Simplify right side
    839,812,206.30x = 800,851,884,868,222,336
  5. Step 5: Solve for x
    x = 800,851,884,868,222,336/839,812,206.30
  6. Step 6: Final answer
    x = 953,608,293.45

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1.5x scale

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.