Home / 512,500,349.60-707,241,741.20-277,549,100.96

Finding the Fourth Proportional to 512,500,349.60, 707,241,741.20 and 277,549,100.96

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Solution

The fourth proportional to 512,500,349.60, 707,241,741.20 and 277,549,100.96 is: 383,013,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,500,349.60 : 707,241,741.20 = 277,549,100.96 : x
  2. Step 2: Convert to fraction form
    512,500,349.60/707,241,741.20 = 277,549,100.96/x
  3. Step 3: Cross multiply
    512,500,349.60x = 707,241,741.20 × 277,549,100.96
  4. Step 4: Simplify right side
    512,500,349.60x = 196,294,309,431,444,992
  5. Step 5: Solve for x
    x = 196,294,309,431,444,992/512,500,349.60
  6. Step 6: Final answer
    x = 383,013,025.42

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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.