Home / 651,369,869.20-976,718,880.60-242,215,411.60

Finding the Fourth Proportional to 651,369,869.20, 976,718,880.60 and 242,215,411.60

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Solution

The fourth proportional to 651,369,869.20, 976,718,880.60 and 242,215,411.60 is: 363,198,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,369,869.20 : 976,718,880.60 = 242,215,411.60 : x
  2. Step 2: Convert to fraction form
    651,369,869.20/976,718,880.60 = 242,215,411.60/x
  3. Step 3: Cross multiply
    651,369,869.20x = 976,718,880.60 × 242,215,411.60
  4. Step 4: Simplify right side
    651,369,869.20x = 236,576,365,682,020,256
  5. Step 5: Solve for x
    x = 236,576,365,682,020,256/651,369,869.20
  6. Step 6: Final answer
    x = 363,198,202.54

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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.