Home / 356,096,089.22-491,652,426.65-222,337,688.13

Finding the Fourth Proportional to 356,096,089.22, 491,652,426.65 and 222,337,688.13

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Solution

The fourth proportional to 356,096,089.22, 491,652,426.65 and 222,337,688.13 is: 306,975,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,096,089.22 : 491,652,426.65 = 222,337,688.13 : x
  2. Step 2: Convert to fraction form
    356,096,089.22/491,652,426.65 = 222,337,688.13/x
  3. Step 3: Cross multiply
    356,096,089.22x = 491,652,426.65 × 222,337,688.13
  4. Step 4: Simplify right side
    356,096,089.22x = 109,312,863,903,753,712
  5. Step 5: Solve for x
    x = 109,312,863,903,753,712/356,096,089.22
  6. Step 6: Final answer
    x = 306,975,749.56

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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.