Home / 1,199,538,116.67-1,799,552,579.48-412,489,555.16

Finding the Fourth Proportional to 1,199,538,116.67, 1,799,552,579.48 and 412,489,555.16

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Solution

The fourth proportional to 1,199,538,116.67, 1,799,552,579.48 and 412,489,555.16 is: 618,818,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,538,116.67 : 1,799,552,579.48 = 412,489,555.16 : x
  2. Step 2: Convert to fraction form
    1,199,538,116.67/1,799,552,579.48 = 412,489,555.16/x
  3. Step 3: Cross multiply
    1,199,538,116.67x = 1,799,552,579.48 × 412,489,555.16
  4. Step 4: Simplify right side
    1,199,538,116.67x = 742,296,642,996,735,744
  5. Step 5: Solve for x
    x = 742,296,642,996,735,744/1,199,538,116.67
  6. Step 6: Final answer
    x = 618,818,720.87

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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.