Home / 526,530,266.70-789,795,400.05-254,432,474.70

Finding the Fourth Proportional to 526,530,266.70, 789,795,400.05 and 254,432,474.70

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Solution

The fourth proportional to 526,530,266.70, 789,795,400.05 and 254,432,474.70 is: 381,648,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,530,266.70 : 789,795,400.05 = 254,432,474.70 : x
  2. Step 2: Convert to fraction form
    526,530,266.70/789,795,400.05 = 254,432,474.70/x
  3. Step 3: Cross multiply
    526,530,266.70x = 789,795,400.05 × 254,432,474.70
  4. Step 4: Simplify right side
    526,530,266.70x = 200,949,598,141,397,984
  5. Step 5: Solve for x
    x = 200,949,598,141,397,984/526,530,266.70
  6. Step 6: Final answer
    x = 381,648,712.05

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Double scale
Find fourth proportional to 526,530,267.70, 789,795,401.55 and 254,432,475.70
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.