Home / 713,690,190.66-1,070,511,729.57-293,497,020.66

Finding the Fourth Proportional to 713,690,190.66, 1,070,511,729.57 and 293,497,020.66

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Solution

The fourth proportional to 713,690,190.66, 1,070,511,729.57 and 293,497,020.66 is: 440,235,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,690,190.66 : 1,070,511,729.57 = 293,497,020.66 : x
  2. Step 2: Convert to fraction form
    713,690,190.66/1,070,511,729.57 = 293,497,020.66/x
  3. Step 3: Cross multiply
    713,690,190.66x = 1,070,511,729.57 × 293,497,020.66
  4. Step 4: Simplify right side
    713,690,190.66x = 314,192,003,213,054,912
  5. Step 5: Solve for x
    x = 314,192,003,213,054,912/713,690,190.66
  6. Step 6: Final answer
    x = 440,235,843.68

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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.