Home / 1,068,940,505,780.90-1,475,190,897,099-663,078,801,504.48

Finding the Fourth Proportional to 1,068,940,505,780.90, 1,475,190,897,099 and 663,078,801,504.48

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Solution

The fourth proportional to 1,068,940,505,780.90, 1,475,190,897,099 and 663,078,801,504.48 is: 915,081,622,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,940,505,780.90 : 1,475,190,897,099 = 663,078,801,504.48 : x
  2. Step 2: Convert to fraction form
    1,068,940,505,780.90/1,475,190,897,099 = 663,078,801,504.48/x
  3. Step 3: Cross multiply
    1,068,940,505,780.90x = 1,475,190,897,099 × 663,078,801,504.48
  4. Step 4: Simplify right side
    1,068,940,505,780.90x = 978,167,812,038,723,574,431,744
  5. Step 5: Solve for x
    x = 978,167,812,038,723,574,431,744/1,068,940,505,780.90
  6. Step 6: Final answer
    x = 915,081,622,175.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.