Home / 404,429,464.36-558,111,428.58-218,790,437.32

Finding the Fourth Proportional to 404,429,464.36, 558,111,428.58 and 218,790,437.32

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Solution

The fourth proportional to 404,429,464.36, 558,111,428.58 and 218,790,437.32 is: 301,930,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,429,464.36 : 558,111,428.58 = 218,790,437.32 : x
  2. Step 2: Convert to fraction form
    404,429,464.36/558,111,428.58 = 218,790,437.32/x
  3. Step 3: Cross multiply
    404,429,464.36x = 558,111,428.58 × 218,790,437.32
  4. Step 4: Simplify right side
    404,429,464.36x = 122,109,443,532,308,160
  5. Step 5: Solve for x
    x = 122,109,443,532,308,160/404,429,464.36
  6. Step 6: Final answer
    x = 301,930,136.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.