Home / 319,256,000.40-478,954,859.40-146,691,202.80

Finding the Fourth Proportional to 319,256,000.40, 478,954,859.40 and 146,691,202.80

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Solution

The fourth proportional to 319,256,000.40, 478,954,859.40 and 146,691,202.80 is: 220,069,362.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,256,000.40 : 478,954,859.40 = 146,691,202.80 : x
  2. Step 2: Convert to fraction form
    319,256,000.40/478,954,859.40 = 146,691,202.80/x
  3. Step 3: Cross multiply
    319,256,000.40x = 478,954,859.40 × 146,691,202.80
  4. Step 4: Simplify right side
    319,256,000.40x = 70,258,464,412,290,888
  5. Step 5: Solve for x
    x = 70,258,464,412,290,888/319,256,000.40
  6. Step 6: Final answer
    x = 220,069,362.28

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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.