Home / 356,096,091.47-491,652,429.75-222,337,690.38

Finding the Fourth Proportional to 356,096,091.47, 491,652,429.75 and 222,337,690.38

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Solution

The fourth proportional to 356,096,091.47, 491,652,429.75 and 222,337,690.38 is: 306,975,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,096,091.47 : 491,652,429.75 = 222,337,690.38 : x
  2. Step 2: Convert to fraction form
    356,096,091.47/491,652,429.75 = 222,337,690.38/x
  3. Step 3: Cross multiply
    356,096,091.47x = 491,652,429.75 × 222,337,690.38
  4. Step 4: Simplify right side
    356,096,091.47x = 109,312,865,700,330,192
  5. Step 5: Solve for x
    x = 109,312,865,700,330,192/356,096,091.47
  6. Step 6: Final answer
    x = 306,975,752.67

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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.