Home / 705,480,144.89-1,058,261,404.01-214,209,441.47

Finding the Fourth Proportional to 705,480,144.89, 1,058,261,404.01 and 214,209,441.47

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Solution

The fourth proportional to 705,480,144.89, 1,058,261,404.01 and 214,209,441.47 is: 321,326,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,480,144.89 : 1,058,261,404.01 = 214,209,441.47 : x
  2. Step 2: Convert to fraction form
    705,480,144.89/1,058,261,404.01 = 214,209,441.47/x
  3. Step 3: Cross multiply
    705,480,144.89x = 1,058,261,404.01 × 214,209,441.47
  4. Step 4: Simplify right side
    705,480,144.89x = 226,689,584,283,814,720
  5. Step 5: Solve for x
    x = 226,689,584,283,814,720/705,480,144.89
  6. Step 6: Final answer
    x = 321,326,667.98

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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.