Home / 620,565,456.30-930,848,184.45-275,152,425.90

Finding the Fourth Proportional to 620,565,456.30, 930,848,184.45 and 275,152,425.90

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Solution

The fourth proportional to 620,565,456.30, 930,848,184.45 and 275,152,425.90 is: 412,728,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,565,456.30 : 930,848,184.45 = 275,152,425.90 : x
  2. Step 2: Convert to fraction form
    620,565,456.30/930,848,184.45 = 275,152,425.90/x
  3. Step 3: Cross multiply
    620,565,456.30x = 930,848,184.45 × 275,152,425.90
  4. Step 4: Simplify right side
    620,565,456.30x = 256,125,136,096,028,160
  5. Step 5: Solve for x
    x = 256,125,136,096,028,160/620,565,456.30
  6. Step 6: Final answer
    x = 412,728,638.85

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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.