Home / 642,028,809,700.80-963,043,214,551.20-194,847,992,827.20

Finding the Fourth Proportional to 642,028,809,700.80, 963,043,214,551.20 and 194,847,992,827.20

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Solution

The fourth proportional to 642,028,809,700.80, 963,043,214,551.20 and 194,847,992,827.20 is: 292,271,989,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,028,809,700.80 : 963,043,214,551.20 = 194,847,992,827.20 : x
  2. Step 2: Convert to fraction form
    642,028,809,700.80/963,043,214,551.20 = 194,847,992,827.20/x
  3. Step 3: Cross multiply
    642,028,809,700.80x = 963,043,214,551.20 × 194,847,992,827.20
  4. Step 4: Simplify right side
    642,028,809,700.80x = 187,647,037,361,155,859,283,968
  5. Step 5: Solve for x
    x = 187,647,037,361,155,859,283,968/642,028,809,700.80
  6. Step 6: Final answer
    x = 292,271,989,240.80

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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.