Home / 620,565,450.30-930,848,175.45-275,152,419.90

Finding the Fourth Proportional to 620,565,450.30, 930,848,175.45 and 275,152,419.90

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Solution

The fourth proportional to 620,565,450.30, 930,848,175.45 and 275,152,419.90 is: 412,728,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,565,450.30 : 930,848,175.45 = 275,152,419.90 : x
  2. Step 2: Convert to fraction form
    620,565,450.30/930,848,175.45 = 275,152,419.90/x
  3. Step 3: Cross multiply
    620,565,450.30x = 930,848,175.45 × 275,152,419.90
  4. Step 4: Simplify right side
    620,565,450.30x = 256,125,128,034,567,264
  5. Step 5: Solve for x
    x = 256,125,128,034,567,264/620,565,450.30
  6. Step 6: Final answer
    x = 412,728,629.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.