Home / 402,565,414.40-603,848,121.60-395,762,969.60

Finding the Fourth Proportional to 402,565,414.40, 603,848,121.60 and 395,762,969.60

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Solution

The fourth proportional to 402,565,414.40, 603,848,121.60 and 395,762,969.60 is: 593,644,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,565,414.40 : 603,848,121.60 = 395,762,969.60 : x
  2. Step 2: Convert to fraction form
    402,565,414.40/603,848,121.60 = 395,762,969.60/x
  3. Step 3: Cross multiply
    402,565,414.40x = 603,848,121.60 × 395,762,969.60
  4. Step 4: Simplify right side
    402,565,414.40x = 238,980,725,791,797,920
  5. Step 5: Solve for x
    x = 238,980,725,791,797,920/402,565,414.40
  6. Step 6: Final answer
    x = 593,644,454.40

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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.