Home / 340,848,015.80-511,272,023.70-195,729,193.40

Finding the Fourth Proportional to 340,848,015.80, 511,272,023.70 and 195,729,193.40

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Solution

The fourth proportional to 340,848,015.80, 511,272,023.70 and 195,729,193.40 is: 293,593,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,848,015.80 : 511,272,023.70 = 195,729,193.40 : x
  2. Step 2: Convert to fraction form
    340,848,015.80/511,272,023.70 = 195,729,193.40/x
  3. Step 3: Cross multiply
    340,848,015.80x = 511,272,023.70 × 195,729,193.40
  4. Step 4: Simplify right side
    340,848,015.80x = 100,070,860,806,786,688
  5. Step 5: Solve for x
    x = 100,070,860,806,786,688/340,848,015.80
  6. Step 6: Final answer
    x = 293,593,790.10

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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.