Home / 1,227,112,490,315.10-1,693,467,534,744-685,789,196,116.55

Finding the Fourth Proportional to 1,227,112,490,315.10, 1,693,467,534,744 and 685,789,196,116.55

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Solution

The fourth proportional to 1,227,112,490,315.10, 1,693,467,534,744 and 685,789,196,116.55 is: 946,418,318,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,112,490,315.10 : 1,693,467,534,744 = 685,789,196,116.55 : x
  2. Step 2: Convert to fraction form
    1,227,112,490,315.10/1,693,467,534,744 = 685,789,196,116.55/x
  3. Step 3: Cross multiply
    1,227,112,490,315.10x = 1,693,467,534,744 × 685,789,196,116.55
  4. Step 4: Simplify right side
    1,227,112,490,315.10x = 1,161,361,739,301,563,601,518,592
  5. Step 5: Solve for x
    x = 1,161,361,739,301,563,601,518,592/1,227,112,490,315.10
  6. Step 6: Final answer
    x = 946,418,318,179.90

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Double scale
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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.