Home / 856,458,536.16-1,181,912,778.18-485,180,567.04

Finding the Fourth Proportional to 856,458,536.16, 1,181,912,778.18 and 485,180,567.04

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Solution

The fourth proportional to 856,458,536.16, 1,181,912,778.18 and 485,180,567.04 is: 669,549,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,458,536.16 : 1,181,912,778.18 = 485,180,567.04 : x
  2. Step 2: Convert to fraction form
    856,458,536.16/1,181,912,778.18 = 485,180,567.04/x
  3. Step 3: Cross multiply
    856,458,536.16x = 1,181,912,778.18 × 485,180,567.04
  4. Step 4: Simplify right side
    856,458,536.16x = 573,441,111,909,194,176
  5. Step 5: Solve for x
    x = 573,441,111,909,194,176/856,458,536.16
  6. Step 6: Final answer
    x = 669,549,181.54

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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.