Home / 419,755,580,476.83-629,696,326,676.30-147,431,830,892.64

Finding the Fourth Proportional to 419,755,580,476.83, 629,696,326,676.30 and 147,431,830,892.64

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Solution

The fourth proportional to 419,755,580,476.83, 629,696,326,676.30 and 147,431,830,892.64 is: 221,169,858,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,755,580,476.83 : 629,696,326,676.30 = 147,431,830,892.64 : x
  2. Step 2: Convert to fraction form
    419,755,580,476.83/629,696,326,676.30 = 147,431,830,892.64/x
  3. Step 3: Cross multiply
    419,755,580,476.83x = 629,696,326,676.30 × 147,431,830,892.64
  4. Step 4: Simplify right side
    419,755,580,476.83x = 92,837,282,348,256,867,647,488
  5. Step 5: Solve for x
    x = 92,837,282,348,256,867,647,488/419,755,580,476.83
  6. Step 6: Final answer
    x = 221,169,858,522.90

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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.