Home / 340,940,906.29-470,626,399.16-223,473,806.56

Finding the Fourth Proportional to 340,940,906.29, 470,626,399.16 and 223,473,806.56

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Solution

The fourth proportional to 340,940,906.29, 470,626,399.16 and 223,473,806.56 is: 308,477,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,940,906.29 : 470,626,399.16 = 223,473,806.56 : x
  2. Step 2: Convert to fraction form
    340,940,906.29/470,626,399.16 = 223,473,806.56/x
  3. Step 3: Cross multiply
    340,940,906.29x = 470,626,399.16 × 223,473,806.56
  4. Step 4: Simplify right side
    340,940,906.29x = 105,172,672,887,911,200
  5. Step 5: Solve for x
    x = 105,172,672,887,911,200/340,940,906.29
  6. Step 6: Final answer
    x = 308,477,718.42

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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.