Home / 10,202,130,601.80-15,303,195,902.70-8,388,145,321.80

Finding the Fourth Proportional to 10,202,130,601.80, 15,303,195,902.70 and 8,388,145,321.80

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Solution

The fourth proportional to 10,202,130,601.80, 15,303,195,902.70 and 8,388,145,321.80 is: 12,582,217,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202,130,601.80 : 15,303,195,902.70 = 8,388,145,321.80 : x
  2. Step 2: Convert to fraction form
    10,202,130,601.80/15,303,195,902.70 = 8,388,145,321.80/x
  3. Step 3: Cross multiply
    10,202,130,601.80x = 15,303,195,902.70 × 8,388,145,321.80
  4. Step 4: Simplify right side
    10,202,130,601.80x = 128,365,431,119,821,946,880
  5. Step 5: Solve for x
    x = 128,365,431,119,821,946,880/10,202,130,601.80
  6. Step 6: Final answer
    x = 12,582,217,982.70

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Double scale
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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.