Home / 340,940,908.30-470,626,401.92-223,473,808.56

Finding the Fourth Proportional to 340,940,908.30, 470,626,401.92 and 223,473,808.56

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Solution

The fourth proportional to 340,940,908.30, 470,626,401.92 and 223,473,808.56 is: 308,477,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,940,908.30 : 470,626,401.92 = 223,473,808.56 : x
  2. Step 2: Convert to fraction form
    340,940,908.30/470,626,401.92 = 223,473,808.56/x
  3. Step 3: Cross multiply
    340,940,908.30x = 470,626,401.92 × 223,473,808.56
  4. Step 4: Simplify right side
    340,940,908.30x = 105,172,674,445,951,696
  5. Step 5: Solve for x
    x = 105,172,674,445,951,696/340,940,908.30
  6. Step 6: Final answer
    x = 308,477,721.17

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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.