Home / 512,254,745.25-706,910,730.94-277,305,343.45

Finding the Fourth Proportional to 512,254,745.25, 706,910,730.94 and 277,305,343.45

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Solution

The fourth proportional to 512,254,745.25, 706,910,730.94 and 277,305,343.45 is: 382,680,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,254,745.25 : 706,910,730.94 = 277,305,343.45 : x
  2. Step 2: Convert to fraction form
    512,254,745.25/706,910,730.94 = 277,305,343.45/x
  3. Step 3: Cross multiply
    512,254,745.25x = 706,910,730.94 × 277,305,343.45
  4. Step 4: Simplify right side
    512,254,745.25x = 196,030,123,031,807,264
  5. Step 5: Solve for x
    x = 196,030,123,031,807,264/512,254,745.25
  6. Step 6: Final answer
    x = 382,680,931.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.