Home / 284,359,939.80-426,539,909.70-262,189,008.60

Finding the Fourth Proportional to 284,359,939.80, 426,539,909.70 and 262,189,008.60

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Solution

The fourth proportional to 284,359,939.80, 426,539,909.70 and 262,189,008.60 is: 393,283,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,359,939.80 : 426,539,909.70 = 262,189,008.60 : x
  2. Step 2: Convert to fraction form
    284,359,939.80/426,539,909.70 = 262,189,008.60/x
  3. Step 3: Cross multiply
    284,359,939.80x = 426,539,909.70 × 262,189,008.60
  4. Step 4: Simplify right side
    284,359,939.80x = 111,834,076,052,576,512
  5. Step 5: Solve for x
    x = 111,834,076,052,576,512/284,359,939.80
  6. Step 6: Final answer
    x = 393,283,512.90

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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.