Home / 291,255,599.40-436,883,399.10-266,313,301.80

Finding the Fourth Proportional to 291,255,599.40, 436,883,399.10 and 266,313,301.80

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Solution

The fourth proportional to 291,255,599.40, 436,883,399.10 and 266,313,301.80 is: 399,469,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,599.40 : 436,883,399.10 = 266,313,301.80 : x
  2. Step 2: Convert to fraction form
    291,255,599.40/436,883,399.10 = 266,313,301.80/x
  3. Step 3: Cross multiply
    291,255,599.40x = 436,883,399.10 × 266,313,301.80
  4. Step 4: Simplify right side
    291,255,599.40x = 116,347,860,515,928,160
  5. Step 5: Solve for x
    x = 116,347,860,515,928,160/291,255,599.40
  6. Step 6: Final answer
    x = 399,469,952.70

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1.5x scale

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.