Home / 291,276,013.90-436,914,020.85-266,333,716.30

Finding the Fourth Proportional to 291,276,013.90, 436,914,020.85 and 266,333,716.30

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Solution

The fourth proportional to 291,276,013.90, 436,914,020.85 and 266,333,716.30 is: 399,500,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276,013.90 : 436,914,020.85 = 266,333,716.30 : x
  2. Step 2: Convert to fraction form
    291,276,013.90/436,914,020.85 = 266,333,716.30/x
  3. Step 3: Cross multiply
    291,276,013.90x = 436,914,020.85 × 266,333,716.30
  4. Step 4: Simplify right side
    291,276,013.90x = 116,364,934,876,556,192
  5. Step 5: Solve for x
    x = 116,364,934,876,556,192/291,276,013.90
  6. Step 6: Final answer
    x = 399,500,574.45

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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.