Home / 650,219,208.72-897,304,857.22-352,861,386.32

Finding the Fourth Proportional to 650,219,208.72, 897,304,857.22 and 352,861,386.32

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Solution

The fourth proportional to 650,219,208.72, 897,304,857.22 and 352,861,386.32 is: 486,949,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,219,208.72 : 897,304,857.22 = 352,861,386.32 : x
  2. Step 2: Convert to fraction form
    650,219,208.72/897,304,857.22 = 352,861,386.32/x
  3. Step 3: Cross multiply
    650,219,208.72x = 897,304,857.22 × 352,861,386.32
  4. Step 4: Simplify right side
    650,219,208.72x = 316,624,235,870,318,848
  5. Step 5: Solve for x
    x = 316,624,235,870,318,848/650,219,208.72
  6. Step 6: Final answer
    x = 486,949,987.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.