Home / 309,215,398.51-462,813,666.04-227,312,598.43

Finding the Fourth Proportional to 309,215,398.51, 462,813,666.04 and 227,312,598.43

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Solution

The fourth proportional to 309,215,398.51, 462,813,666.04 and 227,312,598.43 is: 340,226,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,215,398.51 : 462,813,666.04 = 227,312,598.43 : x
  2. Step 2: Convert to fraction form
    309,215,398.51/462,813,666.04 = 227,312,598.43/x
  3. Step 3: Cross multiply
    309,215,398.51x = 462,813,666.04 × 227,312,598.43
  4. Step 4: Simplify right side
    309,215,398.51x = 105,203,377,014,089,456
  5. Step 5: Solve for x
    x = 105,203,377,014,089,456/309,215,398.51
  6. Step 6: Final answer
    x = 340,226,837.09

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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.