Home / 1,298,324,408.88-1,791,731,014.20-711,615,048.24

Finding the Fourth Proportional to 1,298,324,408.88, 1,791,731,014.20 and 711,615,048.24

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Solution

The fourth proportional to 1,298,324,408.88, 1,791,731,014.20 and 711,615,048.24 is: 982,052,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,324,408.88 : 1,791,731,014.20 = 711,615,048.24 : x
  2. Step 2: Convert to fraction form
    1,298,324,408.88/1,791,731,014.20 = 711,615,048.24/x
  3. Step 3: Cross multiply
    1,298,324,408.88x = 1,791,731,014.20 × 711,615,048.24
  4. Step 4: Simplify right side
    1,298,324,408.88x = 1,275,022,752,103,037,184
  5. Step 5: Solve for x
    x = 1,275,022,752,103,037,184/1,298,324,408.88
  6. Step 6: Final answer
    x = 982,052,515.83

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Double scale
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1.5x scale

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.