Home / 419,755,580,473.22-629,696,326,670.85-147,431,830,889.05

Finding the Fourth Proportional to 419,755,580,473.22, 629,696,326,670.85 and 147,431,830,889.05

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Solution

The fourth proportional to 419,755,580,473.22, 629,696,326,670.85 and 147,431,830,889.05 is: 221,169,858,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,755,580,473.22 : 629,696,326,670.85 = 147,431,830,889.05 : x
  2. Step 2: Convert to fraction form
    419,755,580,473.22/629,696,326,670.85 = 147,431,830,889.05/x
  3. Step 3: Cross multiply
    419,755,580,473.22x = 629,696,326,670.85 × 147,431,830,889.05
  4. Step 4: Simplify right side
    419,755,580,473.22x = 92,837,282,345,192,727,248,896
  5. Step 5: Solve for x
    x = 92,837,282,345,192,727,248,896/419,755,580,473.22
  6. Step 6: Final answer
    x = 221,169,858,517.50

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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.