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Finding the Fourth Proportional to 695,751,827.85, 960,080,449.19 and 409,597,934.13

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Solution

The fourth proportional to 695,751,827.85, 960,080,449.19 and 409,597,934.13 is: 565,211,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,751,827.85 : 960,080,449.19 = 409,597,934.13 : x
  2. Step 2: Convert to fraction form
    695,751,827.85/960,080,449.19 = 409,597,934.13/x
  3. Step 3: Cross multiply
    695,751,827.85x = 960,080,449.19 × 409,597,934.13
  4. Step 4: Simplify right side
    695,751,827.85x = 393,246,968,584,778,432
  5. Step 5: Solve for x
    x = 393,246,968,584,778,432/695,751,827.85
  6. Step 6: Final answer
    x = 565,211,549.35

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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.