Home / 400,156,933.17-552,216,567.69-217,016,581.17

Finding the Fourth Proportional to 400,156,933.17, 552,216,567.69 and 217,016,581.17

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Solution

The fourth proportional to 400,156,933.17, 552,216,567.69 and 217,016,581.17 is: 299,482,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,156,933.17 : 552,216,567.69 = 217,016,581.17 : x
  2. Step 2: Convert to fraction form
    400,156,933.17/552,216,567.69 = 217,016,581.17/x
  3. Step 3: Cross multiply
    400,156,933.17x = 552,216,567.69 × 217,016,581.17
  4. Step 4: Simplify right side
    400,156,933.17x = 119,840,151,585,515,696
  5. Step 5: Solve for x
    x = 119,840,151,585,515,696/400,156,933.17
  6. Step 6: Final answer
    x = 299,482,881.97

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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.