Home / 713,629,228.62-1,071,494,641.34-399,111,469.47

Finding the Fourth Proportional to 713,629,228.62, 1,071,494,641.34 and 399,111,469.47

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Solution

The fourth proportional to 713,629,228.62, 1,071,494,641.34 and 399,111,469.47 is: 599,254,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,629,228.62 : 1,071,494,641.34 = 399,111,469.47 : x
  2. Step 2: Convert to fraction form
    713,629,228.62/1,071,494,641.34 = 399,111,469.47/x
  3. Step 3: Cross multiply
    713,629,228.62x = 1,071,494,641.34 × 399,111,469.47
  4. Step 4: Simplify right side
    713,629,228.62x = 427,645,800,832,442,496
  5. Step 5: Solve for x
    x = 427,645,800,832,442,496/713,629,228.62
  6. Step 6: Final answer
    x = 599,254,884.30

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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.