Home / 1,227,112,490,312.60-1,693,467,534,740.50-685,789,196,114.05

Finding the Fourth Proportional to 1,227,112,490,312.60, 1,693,467,534,740.50 and 685,789,196,114.05

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Solution

The fourth proportional to 1,227,112,490,312.60, 1,693,467,534,740.50 and 685,789,196,114.05 is: 946,418,318,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,112,490,312.60 : 1,693,467,534,740.50 = 685,789,196,114.05 : x
  2. Step 2: Convert to fraction form
    1,227,112,490,312.60/1,693,467,534,740.50 = 685,789,196,114.05/x
  3. Step 3: Cross multiply
    1,227,112,490,312.60x = 1,693,467,534,740.50 × 685,789,196,114.05
  4. Step 4: Simplify right side
    1,227,112,490,312.60x = 1,161,361,739,294,929,621,876,736
  5. Step 5: Solve for x
    x = 1,161,361,739,294,929,621,876,736/1,227,112,490,312.60
  6. Step 6: Final answer
    x = 946,418,318,176.42

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Double scale
Find fourth proportional to 1,227,112,490,313.60, 1,693,467,534,741.88 and 685,789,196,115.05
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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.