Home / 728,446,796.56-1,004,621,276.91-516,334,079.44

Finding the Fourth Proportional to 728,446,796.56, 1,004,621,276.91 and 516,334,079.44

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Solution

The fourth proportional to 728,446,796.56, 1,004,621,276.91 and 516,334,079.44 is: 712,090,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,446,796.56 : 1,004,621,276.91 = 516,334,079.44 : x
  2. Step 2: Convert to fraction form
    728,446,796.56/1,004,621,276.91 = 516,334,079.44/x
  3. Step 3: Cross multiply
    728,446,796.56x = 1,004,621,276.91 × 516,334,079.44
  4. Step 4: Simplify right side
    728,446,796.56x = 518,720,202,199,162,176
  5. Step 5: Solve for x
    x = 518,720,202,199,162,176/728,446,796.56
  6. Step 6: Final answer
    x = 712,090,717.74

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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.