Home / 1,455,171,712.60-2,182,776,231.30-485,823,328.60

Finding the Fourth Proportional to 1,455,171,712.60, 2,182,776,231.30 and 485,823,328.60

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Solution

The fourth proportional to 1,455,171,712.60, 2,182,776,231.30 and 485,823,328.60 is: 728,741,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,171,712.60 : 2,182,776,231.30 = 485,823,328.60 : x
  2. Step 2: Convert to fraction form
    1,455,171,712.60/2,182,776,231.30 = 485,823,328.60/x
  3. Step 3: Cross multiply
    1,455,171,712.60x = 2,182,776,231.30 × 485,823,328.60
  4. Step 4: Simplify right side
    1,455,171,712.60x = 1,060,443,614,279,129,600
  5. Step 5: Solve for x
    x = 1,060,443,614,279,129,600/1,455,171,712.60
  6. Step 6: Final answer
    x = 728,741,223.53

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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.