Home / 883,147,289.45-1,218,751,320.06-486,684,504.36

Finding the Fourth Proportional to 883,147,289.45, 1,218,751,320.06 and 486,684,504.36

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Solution

The fourth proportional to 883,147,289.45, 1,218,751,320.06 and 486,684,504.36 is: 671,629,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,289.45 : 1,218,751,320.06 = 486,684,504.36 : x
  2. Step 2: Convert to fraction form
    883,147,289.45/1,218,751,320.06 = 486,684,504.36/x
  3. Step 3: Cross multiply
    883,147,289.45x = 1,218,751,320.06 × 486,684,504.36
  4. Step 4: Simplify right side
    883,147,289.45x = 593,147,382,141,496,832
  5. Step 5: Solve for x
    x = 593,147,382,141,496,832/883,147,289.45
  6. Step 6: Final answer
    x = 671,629,058.06

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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.