Home / 828,628,225,233.60-1,242,942,385,089.60-200,490,472,401.60

Finding the Fourth Proportional to 828,628,225,233.60, 1,242,942,385,089.60 and 200,490,472,401.60

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Solution

The fourth proportional to 828,628,225,233.60, 1,242,942,385,089.60 and 200,490,472,401.60 is: 300,735,720,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,628,225,233.60 : 1,242,942,385,089.60 = 200,490,472,401.60 : x
  2. Step 2: Convert to fraction form
    828,628,225,233.60/1,242,942,385,089.60 = 200,490,472,401.60/x
  3. Step 3: Cross multiply
    828,628,225,233.60x = 1,242,942,385,089.60 × 200,490,472,401.60
  4. Step 4: Simplify right side
    828,628,225,233.60x = 249,198,105,954,585,365,446,656
  5. Step 5: Solve for x
    x = 249,198,105,954,585,365,446,656/828,628,225,233.60
  6. Step 6: Final answer
    x = 300,735,720,032.15

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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.