Home / 1,105,066,019.20-1,658,196,225.60-491,744,905.60

Finding the Fourth Proportional to 1,105,066,019.20, 1,658,196,225.60 and 491,744,905.60

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Solution

The fourth proportional to 1,105,066,019.20, 1,658,196,225.60 and 491,744,905.60 is: 737,883,105.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,066,019.20 : 1,658,196,225.60 = 491,744,905.60 : x
  2. Step 2: Convert to fraction form
    1,105,066,019.20/1,658,196,225.60 = 491,744,905.60/x
  3. Step 3: Cross multiply
    1,105,066,019.20x = 1,658,196,225.60 × 491,744,905.60
  4. Step 4: Simplify right side
    1,105,066,019.20x = 815,409,546,423,948,288
  5. Step 5: Solve for x
    x = 815,409,546,423,948,288/1,105,066,019.20
  6. Step 6: Final answer
    x = 737,883,105.86

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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.