Home / 939,693,868.20-1,409,540,802.30-293,526,930.60

Finding the Fourth Proportional to 939,693,868.20, 1,409,540,802.30 and 293,526,930.60

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Solution

The fourth proportional to 939,693,868.20, 1,409,540,802.30 and 293,526,930.60 is: 440,290,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,693,868.20 : 1,409,540,802.30 = 293,526,930.60 : x
  2. Step 2: Convert to fraction form
    939,693,868.20/1,409,540,802.30 = 293,526,930.60/x
  3. Step 3: Cross multiply
    939,693,868.20x = 1,409,540,802.30 × 293,526,930.60
  4. Step 4: Simplify right side
    939,693,868.20x = 413,738,185,254,580,416
  5. Step 5: Solve for x
    x = 413,738,185,254,580,416/939,693,868.20
  6. Step 6: Final answer
    x = 440,290,395.90

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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.