Home / 1,242,700,804,566.40-1,864,135,387,136.90-436,769,762,791.34

Finding the Fourth Proportional to 1,242,700,804,566.40, 1,864,135,387,136.90 and 436,769,762,791.34

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Solution

The fourth proportional to 1,242,700,804,566.40, 1,864,135,387,136.90 and 436,769,762,791.34 is: 655,184,230,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,700,804,566.40 : 1,864,135,387,136.90 = 436,769,762,791.34 : x
  2. Step 2: Convert to fraction form
    1,242,700,804,566.40/1,864,135,387,136.90 = 436,769,762,791.34/x
  3. Step 3: Cross multiply
    1,242,700,804,566.40x = 1,864,135,387,136.90 × 436,769,762,791.34
  4. Step 4: Simplify right side
    1,242,700,804,566.40x = 814,197,970,850,726,572,720,128
  5. Step 5: Solve for x
    x = 814,197,970,850,726,572,720,128/1,242,700,804,566.40
  6. Step 6: Final answer
    x = 655,184,230,877.53

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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.