Home / 419,755,580,472.72-629,696,326,670.10-147,431,830,888.55

Finding the Fourth Proportional to 419,755,580,472.72, 629,696,326,670.10 and 147,431,830,888.55

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Solution

The fourth proportional to 419,755,580,472.72, 629,696,326,670.10 and 147,431,830,888.55 is: 221,169,858,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,755,580,472.72 : 629,696,326,670.10 = 147,431,830,888.55 : x
  2. Step 2: Convert to fraction form
    419,755,580,472.72/629,696,326,670.10 = 147,431,830,888.55/x
  3. Step 3: Cross multiply
    419,755,580,472.72x = 629,696,326,670.10 × 147,431,830,888.55
  4. Step 4: Simplify right side
    419,755,580,472.72x = 92,837,282,344,767,307,382,784
  5. Step 5: Solve for x
    x = 92,837,282,344,767,307,382,784/419,755,580,472.72
  6. Step 6: Final answer
    x = 221,169,858,516.75

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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.