Home / 757,538,999.20-1,136,025,063.60-266,062,362.40

Finding the Fourth Proportional to 757,538,999.20, 1,136,025,063.60 and 266,062,362.40

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Solution

The fourth proportional to 757,538,999.20, 1,136,025,063.60 and 266,062,362.40 is: 398,993,995.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,538,999.20 : 1,136,025,063.60 = 266,062,362.40 : x
  2. Step 2: Convert to fraction form
    757,538,999.20/1,136,025,063.60 = 266,062,362.40/x
  3. Step 3: Cross multiply
    757,538,999.20x = 1,136,025,063.60 × 266,062,362.40
  4. Step 4: Simplify right side
    757,538,999.20x = 302,253,512,167,026,240
  5. Step 5: Solve for x
    x = 302,253,512,167,026,240/757,538,999.20
  6. Step 6: Final answer
    x = 398,993,995.67

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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.