Home / 695,509,231.80-1,043,263,847.70-373,022,959.80

Finding the Fourth Proportional to 695,509,231.80, 1,043,263,847.70 and 373,022,959.80

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Solution

The fourth proportional to 695,509,231.80, 1,043,263,847.70 and 373,022,959.80 is: 559,534,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,509,231.80 : 1,043,263,847.70 = 373,022,959.80 : x
  2. Step 2: Convert to fraction form
    695,509,231.80/1,043,263,847.70 = 373,022,959.80/x
  3. Step 3: Cross multiply
    695,509,231.80x = 1,043,263,847.70 × 373,022,959.80
  4. Step 4: Simplify right side
    695,509,231.80x = 389,161,368,321,390,464
  5. Step 5: Solve for x
    x = 389,161,368,321,390,464/695,509,231.80
  6. Step 6: Final answer
    x = 559,534,439.70

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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.