Home / 667,400,499.60-999,809,456.04-375,380,362.32

Finding the Fourth Proportional to 667,400,499.60, 999,809,456.04 and 375,380,362.32

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Solution

The fourth proportional to 667,400,499.60, 999,809,456.04 and 375,380,362.32 is: 562,344,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,400,499.60 : 999,809,456.04 = 375,380,362.32 : x
  2. Step 2: Convert to fraction form
    667,400,499.60/999,809,456.04 = 375,380,362.32/x
  3. Step 3: Cross multiply
    667,400,499.60x = 999,809,456.04 × 375,380,362.32
  4. Step 4: Simplify right side
    667,400,499.60x = 375,308,835,859,257,280
  5. Step 5: Solve for x
    x = 375,308,835,859,257,280/667,400,499.60
  6. Step 6: Final answer
    x = 562,344,253.69

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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.