Home / 378,109,266.40-567,163,899.60-248,890,808.80

Finding the Fourth Proportional to 378,109,266.40, 567,163,899.60 and 248,890,808.80

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Solution

The fourth proportional to 378,109,266.40, 567,163,899.60 and 248,890,808.80 is: 373,336,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,109,266.40 : 567,163,899.60 = 248,890,808.80 : x
  2. Step 2: Convert to fraction form
    378,109,266.40/567,163,899.60 = 248,890,808.80/x
  3. Step 3: Cross multiply
    378,109,266.40x = 567,163,899.60 × 248,890,808.80
  4. Step 4: Simplify right side
    378,109,266.40x = 141,161,881,693,606,016
  5. Step 5: Solve for x
    x = 141,161,881,693,606,016/378,109,266.40
  6. Step 6: Final answer
    x = 373,336,213.20

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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.