Home / 393,740,429.28-543,345,247.80-226,464,060.12

Finding the Fourth Proportional to 393,740,429.28, 543,345,247.80 and 226,464,060.12

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Solution

The fourth proportional to 393,740,429.28, 543,345,247.80 and 226,464,060.12 is: 312,510,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,740,429.28 : 543,345,247.80 = 226,464,060.12 : x
  2. Step 2: Convert to fraction form
    393,740,429.28/543,345,247.80 = 226,464,060.12/x
  3. Step 3: Cross multiply
    393,740,429.28x = 543,345,247.80 × 226,464,060.12
  4. Step 4: Simplify right side
    393,740,429.28x = 123,048,170,863,695,488
  5. Step 5: Solve for x
    x = 123,048,170,863,695,488/393,740,429.28
  6. Step 6: Final answer
    x = 312,510,887.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.