Home / 447,595,388.34-670,650,858.80-272,187,828.36

Finding the Fourth Proportional to 447,595,388.34, 670,650,858.80 and 272,187,828.36

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Solution

The fourth proportional to 447,595,388.34, 670,650,858.80 and 272,187,828.36 is: 407,830,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,595,388.34 : 670,650,858.80 = 272,187,828.36 : x
  2. Step 2: Convert to fraction form
    447,595,388.34/670,650,858.80 = 272,187,828.36/x
  3. Step 3: Cross multiply
    447,595,388.34x = 670,650,858.80 × 272,187,828.36
  4. Step 4: Simplify right side
    447,595,388.34x = 182,543,000,844,540,992
  5. Step 5: Solve for x
    x = 182,543,000,844,540,992/447,595,388.34
  6. Step 6: Final answer
    x = 407,830,387.89

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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.