Home / 782,873,600.40-1,174,310,400.60-322,574,835.60

Finding the Fourth Proportional to 782,873,600.40, 1,174,310,400.60 and 322,574,835.60

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Solution

The fourth proportional to 782,873,600.40, 1,174,310,400.60 and 322,574,835.60 is: 483,862,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,873,600.40 : 1,174,310,400.60 = 322,574,835.60 : x
  2. Step 2: Convert to fraction form
    782,873,600.40/1,174,310,400.60 = 322,574,835.60/x
  3. Step 3: Cross multiply
    782,873,600.40x = 1,174,310,400.60 × 322,574,835.60
  4. Step 4: Simplify right side
    782,873,600.40x = 378,802,984,416,915,136
  5. Step 5: Solve for x
    x = 378,802,984,416,915,136/782,873,600.40
  6. Step 6: Final answer
    x = 483,862,253.40

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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.