Home / 285,282,000.30-427,923,000.45-266,008,406.70

Finding the Fourth Proportional to 285,282,000.30, 427,923,000.45 and 266,008,406.70

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Solution

The fourth proportional to 285,282,000.30, 427,923,000.45 and 266,008,406.70 is: 399,012,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,282,000.30 : 427,923,000.45 = 266,008,406.70 : x
  2. Step 2: Convert to fraction form
    285,282,000.30/427,923,000.45 = 266,008,406.70/x
  3. Step 3: Cross multiply
    285,282,000.30x = 427,923,000.45 × 266,008,406.70
  4. Step 4: Simplify right side
    285,282,000.30x = 113,831,115,539,987,872
  5. Step 5: Solve for x
    x = 113,831,115,539,987,872/285,282,000.30
  6. Step 6: Final answer
    x = 399,012,610.05

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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.