Home / 645,408,028.80-968,112,043.20-160,733,836.80

Finding the Fourth Proportional to 645,408,028.80, 968,112,043.20 and 160,733,836.80

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Solution

The fourth proportional to 645,408,028.80, 968,112,043.20 and 160,733,836.80 is: 241,100,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,408,028.80 : 968,112,043.20 = 160,733,836.80 : x
  2. Step 2: Convert to fraction form
    645,408,028.80/968,112,043.20 = 160,733,836.80/x
  3. Step 3: Cross multiply
    645,408,028.80x = 968,112,043.20 × 160,733,836.80
  4. Step 4: Simplify right side
    645,408,028.80x = 155,608,363,155,823,360
  5. Step 5: Solve for x
    x = 155,608,363,155,823,360/645,408,028.80
  6. Step 6: Final answer
    x = 241,100,755.20

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Double scale
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Similar ratio
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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.