Home / 499,351,303.40-749,026,955.10-305,859,540.20

Finding the Fourth Proportional to 499,351,303.40, 749,026,955.10 and 305,859,540.20

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Solution

The fourth proportional to 499,351,303.40, 749,026,955.10 and 305,859,540.20 is: 458,789,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,351,303.40 : 749,026,955.10 = 305,859,540.20 : x
  2. Step 2: Convert to fraction form
    499,351,303.40/749,026,955.10 = 305,859,540.20/x
  3. Step 3: Cross multiply
    499,351,303.40x = 749,026,955.10 × 305,859,540.20
  4. Step 4: Simplify right side
    499,351,303.40x = 229,097,040,084,292,032
  5. Step 5: Solve for x
    x = 229,097,040,084,292,032/499,351,303.40
  6. Step 6: Final answer
    x = 458,789,310.30

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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.