Home / 414,991,381.28-572,952,228.90-258,588,260.96

Finding the Fourth Proportional to 414,991,381.28, 572,952,228.90 and 258,588,260.96

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Solution

The fourth proportional to 414,991,381.28, 572,952,228.90 and 258,588,260.96 is: 357,016,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,991,381.28 : 572,952,228.90 = 258,588,260.96 : x
  2. Step 2: Convert to fraction form
    414,991,381.28/572,952,228.90 = 258,588,260.96/x
  3. Step 3: Cross multiply
    414,991,381.28x = 572,952,228.90 × 258,588,260.96
  4. Step 4: Simplify right side
    414,991,381.28x = 148,158,720,484,869,536
  5. Step 5: Solve for x
    x = 148,158,720,484,869,536/414,991,381.28
  6. Step 6: Final answer
    x = 357,016,379.54

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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.