Home / 285,282,002.80-427,923,004.20-266,008,409.20

Finding the Fourth Proportional to 285,282,002.80, 427,923,004.20 and 266,008,409.20

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Solution

The fourth proportional to 285,282,002.80, 427,923,004.20 and 266,008,409.20 is: 399,012,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,282,002.80 : 427,923,004.20 = 266,008,409.20 : x
  2. Step 2: Convert to fraction form
    285,282,002.80/427,923,004.20 = 266,008,409.20/x
  3. Step 3: Cross multiply
    285,282,002.80x = 427,923,004.20 × 266,008,409.20
  4. Step 4: Simplify right side
    285,282,002.80x = 113,831,117,607,326,912
  5. Step 5: Solve for x
    x = 113,831,117,607,326,912/285,282,002.80
  6. Step 6: Final answer
    x = 399,012,613.80

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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.