Home / 1,295,032,678.26-1,942,270,694.91-409,788,188.34

Finding the Fourth Proportional to 1,295,032,678.26, 1,942,270,694.91 and 409,788,188.34

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Solution

The fourth proportional to 1,295,032,678.26, 1,942,270,694.91 and 409,788,188.34 is: 614,594,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,032,678.26 : 1,942,270,694.91 = 409,788,188.34 : x
  2. Step 2: Convert to fraction form
    1,295,032,678.26/1,942,270,694.91 = 409,788,188.34/x
  3. Step 3: Cross multiply
    1,295,032,678.26x = 1,942,270,694.91 × 409,788,188.34
  4. Step 4: Simplify right side
    1,295,032,678.26x = 795,919,589,333,041,792
  5. Step 5: Solve for x
    x = 795,919,589,333,041,792/1,295,032,678.26
  6. Step 6: Final answer
    x = 614,594,212.71

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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.