Home / 413,014,084.65-619,339,329.85-218,880,015.96

Finding the Fourth Proportional to 413,014,084.65, 619,339,329.85 and 218,880,015.96

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Solution

The fourth proportional to 413,014,084.65, 619,339,329.85 and 218,880,015.96 is: 328,223,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,014,084.65 : 619,339,329.85 = 218,880,015.96 : x
  2. Step 2: Convert to fraction form
    413,014,084.65/619,339,329.85 = 218,880,015.96/x
  3. Step 3: Cross multiply
    413,014,084.65x = 619,339,329.85 × 218,880,015.96
  4. Step 4: Simplify right side
    413,014,084.65x = 135,561,002,400,967,488
  5. Step 5: Solve for x
    x = 135,561,002,400,967,488/413,014,084.65
  6. Step 6: Final answer
    x = 328,223,679.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.