Home / 504,416,290.41-756,656,356.10-213,229,131.21

Finding the Fourth Proportional to 504,416,290.41, 756,656,356.10 and 213,229,131.21

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Solution

The fourth proportional to 504,416,290.41, 756,656,356.10 and 213,229,131.21 is: 319,857,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,416,290.41 : 756,656,356.10 = 213,229,131.21 : x
  2. Step 2: Convert to fraction form
    504,416,290.41/756,656,356.10 = 213,229,131.21/x
  3. Step 3: Cross multiply
    504,416,290.41x = 756,656,356.10 × 213,229,131.21
  4. Step 4: Simplify right side
    504,416,290.41x = 161,341,177,434,661,248
  5. Step 5: Solve for x
    x = 161,341,177,434,661,248/504,416,290.41
  6. Step 6: Final answer
    x = 319,857,190.38

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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.