Home / 419,755,580,473.32-629,696,326,671.03-147,431,830,889.16

Finding the Fourth Proportional to 419,755,580,473.32, 629,696,326,671.03 and 147,431,830,889.16

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Solution

The fourth proportional to 419,755,580,473.32, 629,696,326,671.03 and 147,431,830,889.16 is: 221,169,858,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,755,580,473.32 : 629,696,326,671.03 = 147,431,830,889.16 : x
  2. Step 2: Convert to fraction form
    419,755,580,473.32/629,696,326,671.03 = 147,431,830,889.16/x
  3. Step 3: Cross multiply
    419,755,580,473.32x = 629,696,326,671.03 × 147,431,830,889.16
  4. Step 4: Simplify right side
    419,755,580,473.32x = 92,837,282,345,288,558,706,688
  5. Step 5: Solve for x
    x = 92,837,282,345,288,558,706,688/419,755,580,473.32
  6. Step 6: Final answer
    x = 221,169,858,517.68

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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.