Home / 777,222,001.60-1,165,086,506.40-449,360,958.40

Finding the Fourth Proportional to 777,222,001.60, 1,165,086,506.40 and 449,360,958.40

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Solution

The fourth proportional to 777,222,001.60, 1,165,086,506.40 and 449,360,958.40 is: 673,609,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,222,001.60 : 1,165,086,506.40 = 449,360,958.40 : x
  2. Step 2: Convert to fraction form
    777,222,001.60/1,165,086,506.40 = 449,360,958.40/x
  3. Step 3: Cross multiply
    777,222,001.60x = 1,165,086,506.40 × 449,360,958.40
  4. Step 4: Simplify right side
    777,222,001.60x = 523,544,389,134,811,776
  5. Step 5: Solve for x
    x = 523,544,389,134,811,776/777,222,001.60
  6. Step 6: Final answer
    x = 673,609,841.28

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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.