Home / 284,328,286.80-426,492,430.20-232,672,221.60

Finding the Fourth Proportional to 284,328,286.80, 426,492,430.20 and 232,672,221.60

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Solution

The fourth proportional to 284,328,286.80, 426,492,430.20 and 232,672,221.60 is: 349,008,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,328,286.80 : 426,492,430.20 = 232,672,221.60 : x
  2. Step 2: Convert to fraction form
    284,328,286.80/426,492,430.20 = 232,672,221.60/x
  3. Step 3: Cross multiply
    284,328,286.80x = 426,492,430.20 × 232,672,221.60
  4. Step 4: Simplify right side
    284,328,286.80x = 99,232,941,230,216,928
  5. Step 5: Solve for x
    x = 99,232,941,230,216,928/284,328,286.80
  6. Step 6: Final answer
    x = 349,008,332.40

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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.