Home / 825,743,140.20-1,238,614,710.30-334,691,656.20

Finding the Fourth Proportional to 825,743,140.20, 1,238,614,710.30 and 334,691,656.20

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Solution

The fourth proportional to 825,743,140.20, 1,238,614,710.30 and 334,691,656.20 is: 502,037,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,743,140.20 : 1,238,614,710.30 = 334,691,656.20 : x
  2. Step 2: Convert to fraction form
    825,743,140.20/1,238,614,710.30 = 334,691,656.20/x
  3. Step 3: Cross multiply
    825,743,140.20x = 1,238,614,710.30 × 334,691,656.20
  4. Step 4: Simplify right side
    825,743,140.20x = 414,554,008,783,990,144
  5. Step 5: Solve for x
    x = 414,554,008,783,990,144/825,743,140.20
  6. Step 6: Final answer
    x = 502,037,484.30

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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.