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Finding the Fourth Proportional to 220,012,685.60, 330,019,028.40 and 110,795,655.20

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Solution

The fourth proportional to 220,012,685.60, 330,019,028.40 and 110,795,655.20 is: 166,193,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,012,685.60 : 330,019,028.40 = 110,795,655.20 : x
  2. Step 2: Convert to fraction form
    220,012,685.60/330,019,028.40 = 110,795,655.20/x
  3. Step 3: Cross multiply
    220,012,685.60x = 330,019,028.40 × 110,795,655.20
  4. Step 4: Simplify right side
    220,012,685.60x = 36,564,674,480,045,408
  5. Step 5: Solve for x
    x = 36,564,674,480,045,408/220,012,685.60
  6. Step 6: Final answer
    x = 166,193,482.80

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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.