Home / 513,216,002.40-769,824,003.60-482,982,914.40

Finding the Fourth Proportional to 513,216,002.40, 769,824,003.60 and 482,982,914.40

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Solution

The fourth proportional to 513,216,002.40, 769,824,003.60 and 482,982,914.40 is: 724,474,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,216,002.40 : 769,824,003.60 = 482,982,914.40 : x
  2. Step 2: Convert to fraction form
    513,216,002.40/769,824,003.60 = 482,982,914.40/x
  3. Step 3: Cross multiply
    513,216,002.40x = 769,824,003.60 × 482,982,914.40
  4. Step 4: Simplify right side
    513,216,002.40x = 371,811,840,833,804,096
  5. Step 5: Solve for x
    x = 371,811,840,833,804,096/513,216,002.40
  6. Step 6: Final answer
    x = 724,474,371.60

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Half scale
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Double scale
Find fourth proportional to 513,216,003.40, 769,824,005.10 and 482,982,915.40
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.