Home / 419,911,501.40-629,867,252.10-266,100,666.20

Finding the Fourth Proportional to 419,911,501.40, 629,867,252.10 and 266,100,666.20

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Solution

The fourth proportional to 419,911,501.40, 629,867,252.10 and 266,100,666.20 is: 399,150,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,911,501.40 : 629,867,252.10 = 266,100,666.20 : x
  2. Step 2: Convert to fraction form
    419,911,501.40/629,867,252.10 = 266,100,666.20/x
  3. Step 3: Cross multiply
    419,911,501.40x = 629,867,252.10 × 266,100,666.20
  4. Step 4: Simplify right side
    419,911,501.40x = 167,608,095,401,373,344
  5. Step 5: Solve for x
    x = 167,608,095,401,373,344/419,911,501.40
  6. Step 6: Final answer
    x = 399,150,999.30

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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.