Home / 833,082,031.50-1,248,741,999.30-308,113,761.48

Finding the Fourth Proportional to 833,082,031.50, 1,248,741,999.30 and 308,113,761.48

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Solution

The fourth proportional to 833,082,031.50, 1,248,741,999.30 and 308,113,761.48 is: 461,844,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,082,031.50 : 1,248,741,999.30 = 308,113,761.48 : x
  2. Step 2: Convert to fraction form
    833,082,031.50/1,248,741,999.30 = 308,113,761.48/x
  3. Step 3: Cross multiply
    833,082,031.50x = 1,248,741,999.30 × 308,113,761.48
  4. Step 4: Simplify right side
    833,082,031.50x = 384,754,594,522,378,560
  5. Step 5: Solve for x
    x = 384,754,594,522,378,560/833,082,031.50
  6. Step 6: Final answer
    x = 461,844,788.36

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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.