Home / 291,276,126.80-436,914,190.20-264,402,270.80

Finding the Fourth Proportional to 291,276,126.80, 436,914,190.20 and 264,402,270.80

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Solution

The fourth proportional to 291,276,126.80, 436,914,190.20 and 264,402,270.80 is: 396,603,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276,126.80 : 436,914,190.20 = 264,402,270.80 : x
  2. Step 2: Convert to fraction form
    291,276,126.80/436,914,190.20 = 264,402,270.80/x
  3. Step 3: Cross multiply
    291,276,126.80x = 436,914,190.20 × 264,402,270.80
  4. Step 4: Simplify right side
    291,276,126.80x = 115,521,104,033,623,104
  5. Step 5: Solve for x
    x = 115,521,104,033,623,104/291,276,126.80
  6. Step 6: Final answer
    x = 396,603,406.20

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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.