Home / 291,276,142.30-436,914,213.45-264,402,286.30

Finding the Fourth Proportional to 291,276,142.30, 436,914,213.45 and 264,402,286.30

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Solution

The fourth proportional to 291,276,142.30, 436,914,213.45 and 264,402,286.30 is: 396,603,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276,142.30 : 436,914,213.45 = 264,402,286.30 : x
  2. Step 2: Convert to fraction form
    291,276,142.30/436,914,213.45 = 264,402,286.30/x
  3. Step 3: Cross multiply
    291,276,142.30x = 436,914,213.45 × 264,402,286.30
  4. Step 4: Simplify right side
    291,276,142.30x = 115,521,116,953,146,208
  5. Step 5: Solve for x
    x = 115,521,116,953,146,208/291,276,142.30
  6. Step 6: Final answer
    x = 396,603,429.45

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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.