Home / 419,755,580,478.70-629,696,326,679.10-147,431,830,894.52

Finding the Fourth Proportional to 419,755,580,478.70, 629,696,326,679.10 and 147,431,830,894.52

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Solution

The fourth proportional to 419,755,580,478.70, 629,696,326,679.10 and 147,431,830,894.52 is: 221,169,858,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,755,580,478.70 : 629,696,326,679.10 = 147,431,830,894.52 : x
  2. Step 2: Convert to fraction form
    419,755,580,478.70/629,696,326,679.10 = 147,431,830,894.52/x
  3. Step 3: Cross multiply
    419,755,580,478.70x = 629,696,326,679.10 × 147,431,830,894.52
  4. Step 4: Simplify right side
    419,755,580,478.70x = 92,837,282,349,853,488,185,344
  5. Step 5: Solve for x
    x = 92,837,282,349,853,488,185,344/419,755,580,478.70
  6. Step 6: Final answer
    x = 221,169,858,525.72

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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.