Home / 916,103,616.20-1,373,259,629.10-819,357,734.60

Finding the Fourth Proportional to 916,103,616.20, 1,373,259,629.10 and 819,357,734.60

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Solution

The fourth proportional to 916,103,616.20, 1,373,259,629.10 and 819,357,734.60 is: 1,228,235,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,103,616.20 : 1,373,259,629.10 = 819,357,734.60 : x
  2. Step 2: Convert to fraction form
    916,103,616.20/1,373,259,629.10 = 819,357,734.60/x
  3. Step 3: Cross multiply
    916,103,616.20x = 1,373,259,629.10 × 819,357,734.60
  4. Step 4: Simplify right side
    916,103,616.20x = 1,125,190,898,717,012,224
  5. Step 5: Solve for x
    x = 1,125,190,898,717,012,224/916,103,616.20
  6. Step 6: Final answer
    x = 1,228,235,407.89

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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.