Home / 738,257,927.20-1,107,812,043.60-278,526,032.80

Finding the Fourth Proportional to 738,257,927.20, 1,107,812,043.60 and 278,526,032.80

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Solution

The fourth proportional to 738,257,927.20, 1,107,812,043.60 and 278,526,032.80 is: 417,949,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,257,927.20 : 1,107,812,043.60 = 278,526,032.80 : x
  2. Step 2: Convert to fraction form
    738,257,927.20/1,107,812,043.60 = 278,526,032.80/x
  3. Step 3: Cross multiply
    738,257,927.20x = 1,107,812,043.60 × 278,526,032.80
  4. Step 4: Simplify right side
    738,257,927.20x = 308,554,493,591,968,640
  5. Step 5: Solve for x
    x = 308,554,493,591,968,640/738,257,927.20
  6. Step 6: Final answer
    x = 417,949,448.59

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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.