Home / 412,551,824.72-569,469,605.90-245,287,686.87

Finding the Fourth Proportional to 412,551,824.72, 569,469,605.90 and 245,287,686.87

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Solution

The fourth proportional to 412,551,824.72, 569,469,605.90 and 245,287,686.87 is: 338,585,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,551,824.72 : 569,469,605.90 = 245,287,686.87 : x
  2. Step 2: Convert to fraction form
    412,551,824.72/569,469,605.90 = 245,287,686.87/x
  3. Step 3: Cross multiply
    412,551,824.72x = 569,469,605.90 × 245,287,686.87
  4. Step 4: Simplify right side
    412,551,824.72x = 139,683,882,372,755,072
  5. Step 5: Solve for x
    x = 139,683,882,372,755,072/412,551,824.72
  6. Step 6: Final answer
    x = 338,585,055.27

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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.