Home / 358,474,901.96-494,564,140.23-217,244,237.78

Finding the Fourth Proportional to 358,474,901.96, 494,564,140.23 and 217,244,237.78

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Solution

The fourth proportional to 358,474,901.96, 494,564,140.23 and 217,244,237.78 is: 299,717,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,474,901.96 : 494,564,140.23 = 217,244,237.78 : x
  2. Step 2: Convert to fraction form
    358,474,901.96/494,564,140.23 = 217,244,237.78/x
  3. Step 3: Cross multiply
    358,474,901.96x = 494,564,140.23 × 217,244,237.78
  4. Step 4: Simplify right side
    358,474,901.96x = 107,441,209,675,114,576
  5. Step 5: Solve for x
    x = 107,441,209,675,114,576/358,474,901.96
  6. Step 6: Final answer
    x = 299,717,523.01

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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.