Home / 304,930,667.24-420,772,643.68-179,475,381.28

Finding the Fourth Proportional to 304,930,667.24, 420,772,643.68 and 179,475,381.28

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Solution

The fourth proportional to 304,930,667.24, 420,772,643.68 and 179,475,381.28 is: 247,657,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,930,667.24 : 420,772,643.68 = 179,475,381.28 : x
  2. Step 2: Convert to fraction form
    304,930,667.24/420,772,643.68 = 179,475,381.28/x
  3. Step 3: Cross multiply
    304,930,667.24x = 420,772,643.68 × 179,475,381.28
  4. Step 4: Simplify right side
    304,930,667.24x = 75,518,330,656,661,584
  5. Step 5: Solve for x
    x = 75,518,330,656,661,584/304,930,667.24
  6. Step 6: Final answer
    x = 247,657,381.73

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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.