Home / 408,957,872,373.20-613,436,808,559.80-339,300,837,621.20

Finding the Fourth Proportional to 408,957,872,373.20, 613,436,808,559.80 and 339,300,837,621.20

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Solution

The fourth proportional to 408,957,872,373.20, 613,436,808,559.80 and 339,300,837,621.20 is: 508,951,256,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,957,872,373.20 : 613,436,808,559.80 = 339,300,837,621.20 : x
  2. Step 2: Convert to fraction form
    408,957,872,373.20/613,436,808,559.80 = 339,300,837,621.20/x
  3. Step 3: Cross multiply
    408,957,872,373.20x = 613,436,808,559.80 × 339,300,837,621.20
  4. Step 4: Simplify right side
    408,957,872,373.20x = 208,139,622,972,015,866,019,840
  5. Step 5: Solve for x
    x = 208,139,622,972,015,866,019,840/408,957,872,373.20
  6. Step 6: Final answer
    x = 508,951,256,431.80

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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.