Home / 304,786,810.56-420,605,478.48-165,557,681.22

Finding the Fourth Proportional to 304,786,810.56, 420,605,478.48 and 165,557,681.22

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Solution

The fourth proportional to 304,786,810.56, 420,605,478.48 and 165,557,681.22 is: 228,469,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,786,810.56 : 420,605,478.48 = 165,557,681.22 : x
  2. Step 2: Convert to fraction form
    304,786,810.56/420,605,478.48 = 165,557,681.22/x
  3. Step 3: Cross multiply
    304,786,810.56x = 420,605,478.48 × 165,557,681.22
  4. Step 4: Simplify right side
    304,786,810.56x = 69,634,467,725,577,416
  5. Step 5: Solve for x
    x = 69,634,467,725,577,416/304,786,810.56
  6. Step 6: Final answer
    x = 228,469,426.21

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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.