Home / 890,488,245,839.80-1,335,732,368,759.70-465,852,431,644.60

Finding the Fourth Proportional to 890,488,245,839.80, 1,335,732,368,759.70 and 465,852,431,644.60

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Solution

The fourth proportional to 890,488,245,839.80, 1,335,732,368,759.70 and 465,852,431,644.60 is: 698,778,647,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,488,245,839.80 : 1,335,732,368,759.70 = 465,852,431,644.60 : x
  2. Step 2: Convert to fraction form
    890,488,245,839.80/1,335,732,368,759.70 = 465,852,431,644.60/x
  3. Step 3: Cross multiply
    890,488,245,839.80x = 1,335,732,368,759.70 × 465,852,431,644.60
  4. Step 4: Simplify right side
    890,488,245,839.80x = 622,254,172,013,107,781,566,464
  5. Step 5: Solve for x
    x = 622,254,172,013,107,781,566,464/890,488,245,839.80
  6. Step 6: Final answer
    x = 698,778,647,466.90

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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.