Home / 289,325,311.48-399,221,600.22-170,348,166.19

Finding the Fourth Proportional to 289,325,311.48, 399,221,600.22 and 170,348,166.19

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Solution

The fourth proportional to 289,325,311.48, 399,221,600.22 and 170,348,166.19 is: 235,052,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,325,311.48 : 399,221,600.22 = 170,348,166.19 : x
  2. Step 2: Convert to fraction form
    289,325,311.48/399,221,600.22 = 170,348,166.19/x
  3. Step 3: Cross multiply
    289,325,311.48x = 399,221,600.22 × 170,348,166.19
  4. Step 4: Simplify right side
    289,325,311.48x = 68,006,667,500,914,304
  5. Step 5: Solve for x
    x = 68,006,667,500,914,304/289,325,311.48
  6. Step 6: Final answer
    x = 235,052,602.74

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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.