Home / 1,422,695,285.22-1,963,524,857.37-819,750,430.25

Finding the Fourth Proportional to 1,422,695,285.22, 1,963,524,857.37 and 819,750,430.25

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Solution

The fourth proportional to 1,422,695,285.22, 1,963,524,857.37 and 819,750,430.25 is: 1,131,373,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,695,285.22 : 1,963,524,857.37 = 819,750,430.25 : x
  2. Step 2: Convert to fraction form
    1,422,695,285.22/1,963,524,857.37 = 819,750,430.25/x
  3. Step 3: Cross multiply
    1,422,695,285.22x = 1,963,524,857.37 × 819,750,430.25
  4. Step 4: Simplify right side
    1,422,695,285.22x = 1,609,600,346,645,745,920
  5. Step 5: Solve for x
    x = 1,609,600,346,645,745,920/1,422,695,285.22
  6. Step 6: Final answer
    x = 1,131,373,923.40

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1.5x scale

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.