Home / 513,217,496.40-769,826,244.60-482,984,408.40

Finding the Fourth Proportional to 513,217,496.40, 769,826,244.60 and 482,984,408.40

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Solution

The fourth proportional to 513,217,496.40, 769,826,244.60 and 482,984,408.40 is: 724,476,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,217,496.40 : 769,826,244.60 = 482,984,408.40 : x
  2. Step 2: Convert to fraction form
    513,217,496.40/769,826,244.60 = 482,984,408.40/x
  3. Step 3: Cross multiply
    513,217,496.40x = 769,826,244.60 × 482,984,408.40
  4. Step 4: Simplify right side
    513,217,496.40x = 371,814,073,318,924,672
  5. Step 5: Solve for x
    x = 371,814,073,318,924,672/513,217,496.40
  6. Step 6: Final answer
    x = 724,476,612.60

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Half scale
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Double scale
Find fourth proportional to 513,217,497.40, 769,826,246.10 and 482,984,409.40
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.