Home / 373,643,558.38-515,628,090.87-201,784,621.90

Finding the Fourth Proportional to 373,643,558.38, 515,628,090.87 and 201,784,621.90

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Solution

The fourth proportional to 373,643,558.38, 515,628,090.87 and 201,784,621.90 is: 278,462,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,643,558.38 : 515,628,090.87 = 201,784,621.90 : x
  2. Step 2: Convert to fraction form
    373,643,558.38/515,628,090.87 = 201,784,621.90/x
  3. Step 3: Cross multiply
    373,643,558.38x = 515,628,090.87 × 201,784,621.90
  4. Step 4: Simplify right side
    373,643,558.38x = 104,045,819,354,643,664
  5. Step 5: Solve for x
    x = 104,045,819,354,643,664/373,643,558.38
  6. Step 6: Final answer
    x = 278,462,767.58

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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.