Home / 400,686,821.76-600,166,396.32-270,578,984.16

Finding the Fourth Proportional to 400,686,821.76, 600,166,396.32 and 270,578,984.16

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Solution

The fourth proportional to 400,686,821.76, 600,166,396.32 and 270,578,984.16 is: 405,285,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,686,821.76 : 600,166,396.32 = 270,578,984.16 : x
  2. Step 2: Convert to fraction form
    400,686,821.76/600,166,396.32 = 270,578,984.16/x
  3. Step 3: Cross multiply
    400,686,821.76x = 600,166,396.32 × 270,578,984.16
  4. Step 4: Simplify right side
    400,686,821.76x = 162,392,413,843,233,600
  5. Step 5: Solve for x
    x = 162,392,413,843,233,600/400,686,821.76
  6. Step 6: Final answer
    x = 405,285,137.98

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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.