Home / 1,242,700,804,566.60-1,864,135,387,137.20-436,769,762,791.60

Finding the Fourth Proportional to 1,242,700,804,566.60, 1,864,135,387,137.20 and 436,769,762,791.60

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Solution

The fourth proportional to 1,242,700,804,566.60, 1,864,135,387,137.20 and 436,769,762,791.60 is: 655,184,230,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,700,804,566.60 : 1,864,135,387,137.20 = 436,769,762,791.60 : x
  2. Step 2: Convert to fraction form
    1,242,700,804,566.60/1,864,135,387,137.20 = 436,769,762,791.60/x
  3. Step 3: Cross multiply
    1,242,700,804,566.60x = 1,864,135,387,137.20 × 436,769,762,791.60
  4. Step 4: Simplify right side
    1,242,700,804,566.60x = 814,197,970,851,342,229,438,464
  5. Step 5: Solve for x
    x = 814,197,970,851,342,229,438,464/1,242,700,804,566.60
  6. Step 6: Final answer
    x = 655,184,230,877.92

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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.