Home / 343,561,570.60-515,342,355.90-305,938,172.20

Finding the Fourth Proportional to 343,561,570.60, 515,342,355.90 and 305,938,172.20

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Solution

The fourth proportional to 343,561,570.60, 515,342,355.90 and 305,938,172.20 is: 458,907,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,561,570.60 : 515,342,355.90 = 305,938,172.20 : x
  2. Step 2: Convert to fraction form
    343,561,570.60/515,342,355.90 = 305,938,172.20/x
  3. Step 3: Cross multiply
    343,561,570.60x = 515,342,355.90 × 305,938,172.20
  4. Step 4: Simplify right side
    343,561,570.60x = 157,662,898,421,287,872
  5. Step 5: Solve for x
    x = 157,662,898,421,287,872/343,561,570.60
  6. Step 6: Final answer
    x = 458,907,258.30

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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.