Home / 627,943,695.27-942,057,303.74-207,764,072.39

Finding the Fourth Proportional to 627,943,695.27, 942,057,303.74 and 207,764,072.39

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Solution

The fourth proportional to 627,943,695.27, 942,057,303.74 and 207,764,072.39 is: 311,693,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,943,695.27 : 942,057,303.74 = 207,764,072.39 : x
  2. Step 2: Convert to fraction form
    627,943,695.27/942,057,303.74 = 207,764,072.39/x
  3. Step 3: Cross multiply
    627,943,695.27x = 942,057,303.74 × 207,764,072.39
  4. Step 4: Simplify right side
    627,943,695.27x = 195,725,661,849,765,568
  5. Step 5: Solve for x
    x = 195,725,661,849,765,568/627,943,695.27
  6. Step 6: Final answer
    x = 311,693,012.17

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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.