Home / 782,874,662.40-1,174,311,993.60-322,575,897.60

Finding the Fourth Proportional to 782,874,662.40, 1,174,311,993.60 and 322,575,897.60

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Solution

The fourth proportional to 782,874,662.40, 1,174,311,993.60 and 322,575,897.60 is: 483,863,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,874,662.40 : 1,174,311,993.60 = 322,575,897.60 : x
  2. Step 2: Convert to fraction form
    782,874,662.40/1,174,311,993.60 = 322,575,897.60/x
  3. Step 3: Cross multiply
    782,874,662.40x = 1,174,311,993.60 × 322,575,897.60
  4. Step 4: Simplify right side
    782,874,662.40x = 378,804,745,397,965,440
  5. Step 5: Solve for x
    x = 378,804,745,397,965,440/782,874,662.40
  6. Step 6: Final answer
    x = 483,863,846.40

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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.