Home / 825,743,086.20-1,238,614,629.30-334,691,602.20

Finding the Fourth Proportional to 825,743,086.20, 1,238,614,629.30 and 334,691,602.20

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Solution

The fourth proportional to 825,743,086.20, 1,238,614,629.30 and 334,691,602.20 is: 502,037,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,743,086.20 : 1,238,614,629.30 = 334,691,602.20 : x
  2. Step 2: Convert to fraction form
    825,743,086.20/1,238,614,629.30 = 334,691,602.20/x
  3. Step 3: Cross multiply
    825,743,086.20x = 1,238,614,629.30 × 334,691,602.20
  4. Step 4: Simplify right side
    825,743,086.20x = 414,553,914,788,776,064
  5. Step 5: Solve for x
    x = 414,553,914,788,776,064/825,743,086.20
  6. Step 6: Final answer
    x = 502,037,403.30

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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.