Home / 2,505,891,175.78-3,756,499,999.69-846,638,079.40

Finding the Fourth Proportional to 2,505,891,175.78, 3,756,499,999.69 and 846,638,079.40

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Solution

The fourth proportional to 2,505,891,175.78, 3,756,499,999.69 and 846,638,079.40 is: 1,269,167,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505,891,175.78 : 3,756,499,999.69 = 846,638,079.40 : x
  2. Step 2: Convert to fraction form
    2,505,891,175.78/3,756,499,999.69 = 846,638,079.40/x
  3. Step 3: Cross multiply
    2,505,891,175.78x = 3,756,499,999.69 × 846,638,079.40
  4. Step 4: Simplify right side
    2,505,891,175.78x = 3,180,395,945,003,642,368
  5. Step 5: Solve for x
    x = 3,180,395,945,003,642,368/2,505,891,175.78
  6. Step 6: Final answer
    x = 1,269,167,622.18

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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.