Home / 526,532,603.70-789,798,905.55-254,434,811.70

Finding the Fourth Proportional to 526,532,603.70, 789,798,905.55 and 254,434,811.70

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Solution

The fourth proportional to 526,532,603.70, 789,798,905.55 and 254,434,811.70 is: 381,652,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,532,603.70 : 789,798,905.55 = 254,434,811.70 : x
  2. Step 2: Convert to fraction form
    526,532,603.70/789,798,905.55 = 254,434,811.70/x
  3. Step 3: Cross multiply
    526,532,603.70x = 789,798,905.55 × 254,434,811.70
  4. Step 4: Simplify right side
    526,532,603.70x = 200,952,335,814,480,320
  5. Step 5: Solve for x
    x = 200,952,335,814,480,320/526,532,603.70
  6. Step 6: Final answer
    x = 381,652,217.55

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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.