Home / 946,671,973.92-1,418,952,796.56-393,664,704.48

Finding the Fourth Proportional to 946,671,973.92, 1,418,952,796.56 and 393,664,704.48

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Solution

The fourth proportional to 946,671,973.92, 1,418,952,796.56 and 393,664,704.48 is: 590,058,276.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,671,973.92 : 1,418,952,796.56 = 393,664,704.48 : x
  2. Step 2: Convert to fraction form
    946,671,973.92/1,418,952,796.56 = 393,664,704.48/x
  3. Step 3: Cross multiply
    946,671,973.92x = 1,418,952,796.56 × 393,664,704.48
  4. Step 4: Simplify right side
    946,671,973.92x = 558,591,633,328,861,952
  5. Step 5: Solve for x
    x = 558,591,633,328,861,952/946,671,973.92
  6. Step 6: Final answer
    x = 590,058,276.49

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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.