Home / 1,820,080,956.05-2,513,446,413.60-1,720,924,106.21

Finding the Fourth Proportional to 1,820,080,956.05, 2,513,446,413.60 and 1,720,924,106.21

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Solution

The fourth proportional to 1,820,080,956.05, 2,513,446,413.60 and 1,720,924,106.21 is: 2,376,515,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,080,956.05 : 2,513,446,413.60 = 1,720,924,106.21 : x
  2. Step 2: Convert to fraction form
    1,820,080,956.05/2,513,446,413.60 = 1,720,924,106.21/x
  3. Step 3: Cross multiply
    1,820,080,956.05x = 2,513,446,413.60 × 1,720,924,106.21
  4. Step 4: Simplify right side
    1,820,080,956.05x = 4,325,450,522,831,309,824
  5. Step 5: Solve for x
    x = 4,325,450,522,831,309,824/1,820,080,956.05
  6. Step 6: Final answer
    x = 2,376,515,455.78

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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.