Home / 319,173,019.44-478,897,786.44-171,448,208.34

Finding the Fourth Proportional to 319,173,019.44, 478,897,786.44 and 171,448,208.34

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Solution

The fourth proportional to 319,173,019.44, 478,897,786.44 and 171,448,208.34 is: 257,246,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,173,019.44 : 478,897,786.44 = 171,448,208.34 : x
  2. Step 2: Convert to fraction form
    319,173,019.44/478,897,786.44 = 171,448,208.34/x
  3. Step 3: Cross multiply
    319,173,019.44x = 478,897,786.44 × 171,448,208.34
  4. Step 4: Simplify right side
    319,173,019.44x = 82,106,167,463,129,952
  5. Step 5: Solve for x
    x = 82,106,167,463,129,952/319,173,019.44
  6. Step 6: Final answer
    x = 257,246,579.32

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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.