Home / 419,905,065.40-629,857,598.10-266,094,230.20

Finding the Fourth Proportional to 419,905,065.40, 629,857,598.10 and 266,094,230.20

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Solution

The fourth proportional to 419,905,065.40, 629,857,598.10 and 266,094,230.20 is: 399,141,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,905,065.40 : 629,857,598.10 = 266,094,230.20 : x
  2. Step 2: Convert to fraction form
    419,905,065.40/629,857,598.10 = 266,094,230.20/x
  3. Step 3: Cross multiply
    419,905,065.40x = 629,857,598.10 × 266,094,230.20
  4. Step 4: Simplify right side
    419,905,065.40x = 167,601,472,702,040,480
  5. Step 5: Solve for x
    x = 167,601,472,702,040,480/419,905,065.40
  6. Step 6: Final answer
    x = 399,141,345.30

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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.