Home / 291,255,553.90-436,883,330.85-266,313,256.30

Finding the Fourth Proportional to 291,255,553.90, 436,883,330.85 and 266,313,256.30

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Solution

The fourth proportional to 291,255,553.90, 436,883,330.85 and 266,313,256.30 is: 399,469,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,553.90 : 436,883,330.85 = 266,313,256.30 : x
  2. Step 2: Convert to fraction form
    291,255,553.90/436,883,330.85 = 266,313,256.30/x
  3. Step 3: Cross multiply
    291,255,553.90x = 436,883,330.85 × 266,313,256.30
  4. Step 4: Simplify right side
    291,255,553.90x = 116,347,822,461,853,760
  5. Step 5: Solve for x
    x = 116,347,822,461,853,760/291,255,553.90
  6. Step 6: Final answer
    x = 399,469,884.45

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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.