Home / 313,152,086.40-469,728,129.60-284,934,537.60

Finding the Fourth Proportional to 313,152,086.40, 469,728,129.60 and 284,934,537.60

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Solution

The fourth proportional to 313,152,086.40, 469,728,129.60 and 284,934,537.60 is: 427,401,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,152,086.40 : 469,728,129.60 = 284,934,537.60 : x
  2. Step 2: Convert to fraction form
    313,152,086.40/469,728,129.60 = 284,934,537.60/x
  3. Step 3: Cross multiply
    313,152,086.40x = 469,728,129.60 × 284,934,537.60
  4. Step 4: Simplify right side
    313,152,086.40x = 133,841,767,405,288,896
  5. Step 5: Solve for x
    x = 133,841,767,405,288,896/313,152,086.40
  6. Step 6: Final answer
    x = 427,401,806.40

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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.