Home / 378,109,268.40-567,163,902.60-248,890,810.80

Finding the Fourth Proportional to 378,109,268.40, 567,163,902.60 and 248,890,810.80

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Solution

The fourth proportional to 378,109,268.40, 567,163,902.60 and 248,890,810.80 is: 373,336,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,109,268.40 : 567,163,902.60 = 248,890,810.80 : x
  2. Step 2: Convert to fraction form
    378,109,268.40/567,163,902.60 = 248,890,810.80/x
  3. Step 3: Cross multiply
    378,109,268.40x = 567,163,902.60 × 248,890,810.80
  4. Step 4: Simplify right side
    378,109,268.40x = 141,161,883,574,606,240
  5. Step 5: Solve for x
    x = 141,161,883,574,606,240/378,109,268.40
  6. Step 6: Final answer
    x = 373,336,216.20

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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.