Home / 359,143,372.35-538,456,507.94-220,682,900.48

Finding the Fourth Proportional to 359,143,372.35, 538,456,507.94 and 220,682,900.48

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Solution

The fourth proportional to 359,143,372.35, 538,456,507.94 and 220,682,900.48 is: 330,865,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,143,372.35 : 538,456,507.94 = 220,682,900.48 : x
  2. Step 2: Convert to fraction form
    359,143,372.35/538,456,507.94 = 220,682,900.48/x
  3. Step 3: Cross multiply
    359,143,372.35x = 538,456,507.94 × 220,682,900.48
  4. Step 4: Simplify right side
    359,143,372.35x = 118,828,143,952,390,768
  5. Step 5: Solve for x
    x = 118,828,143,952,390,768/359,143,372.35
  6. Step 6: Final answer
    x = 330,865,479.08

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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.