Home / 291,276,016.65-436,914,024.98-266,333,719.05

Finding the Fourth Proportional to 291,276,016.65, 436,914,024.98 and 266,333,719.05

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Solution

The fourth proportional to 291,276,016.65, 436,914,024.98 and 266,333,719.05 is: 399,500,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276,016.65 : 436,914,024.98 = 266,333,719.05 : x
  2. Step 2: Convert to fraction form
    291,276,016.65/436,914,024.98 = 266,333,719.05/x
  3. Step 3: Cross multiply
    291,276,016.65x = 436,914,024.98 × 266,333,719.05
  4. Step 4: Simplify right side
    291,276,016.65x = 116,364,937,176,696,352
  5. Step 5: Solve for x
    x = 116,364,937,176,696,352/291,276,016.65
  6. Step 6: Final answer
    x = 399,500,578.58

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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.