Home / 5,643,945,536.01-7,789,080,528.59-3,385,969,629.45

Finding the Fourth Proportional to 5,643,945,536.01, 7,789,080,528.59 and 3,385,969,629.45

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Solution

The fourth proportional to 5,643,945,536.01, 7,789,080,528.59 and 3,385,969,629.45 is: 4,672,899,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,945,536.01 : 7,789,080,528.59 = 3,385,969,629.45 : x
  2. Step 2: Convert to fraction form
    5,643,945,536.01/7,789,080,528.59 = 3,385,969,629.45/x
  3. Step 3: Cross multiply
    5,643,945,536.01x = 7,789,080,528.59 × 3,385,969,629.45
  4. Step 4: Simplify right side
    5,643,945,536.01x = 26,373,590,111,129,161,728
  5. Step 5: Solve for x
    x = 26,373,590,111,129,161,728/5,643,945,536.01
  6. Step 6: Final answer
    x = 4,672,899,471.28

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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.