Home / 336,771,424,656.72-505,157,142,821.20-81,799,090,109.62

Finding the Fourth Proportional to 336,771,424,656.72, 505,157,142,821.20 and 81,799,090,109.62

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Solution

The fourth proportional to 336,771,424,656.72, 505,157,142,821.20 and 81,799,090,109.62 is: 122,698,636,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,771,424,656.72 : 505,157,142,821.20 = 81,799,090,109.62 : x
  2. Step 2: Convert to fraction form
    336,771,424,656.72/505,157,142,821.20 = 81,799,090,109.62/x
  3. Step 3: Cross multiply
    336,771,424,656.72x = 505,157,142,821.20 × 81,799,090,109.62
  4. Step 4: Simplify right side
    336,771,424,656.72x = 41,321,394,645,149,520,232,448
  5. Step 5: Solve for x
    x = 41,321,394,645,149,520,232,448/336,771,424,656.72
  6. Step 6: Final answer
    x = 122,698,636,581.98

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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.