Home / 476,425,840.40-714,638,760.60-169,727,958.80

Finding the Fourth Proportional to 476,425,840.40, 714,638,760.60 and 169,727,958.80

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Solution

The fourth proportional to 476,425,840.40, 714,638,760.60 and 169,727,958.80 is: 254,591,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,425,840.40 : 714,638,760.60 = 169,727,958.80 : x
  2. Step 2: Convert to fraction form
    476,425,840.40/714,638,760.60 = 169,727,958.80/x
  3. Step 3: Cross multiply
    476,425,840.40x = 714,638,760.60 × 169,727,958.80
  4. Step 4: Simplify right side
    476,425,840.40x = 121,294,178,115,999,872
  5. Step 5: Solve for x
    x = 121,294,178,115,999,872/476,425,840.40
  6. Step 6: Final answer
    x = 254,591,938.20

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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.