Home / 512,009,486.86-706,574,965.40-277,060,149.76

Finding the Fourth Proportional to 512,009,486.86, 706,574,965.40 and 277,060,149.76

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Solution

The fourth proportional to 512,009,486.86, 706,574,965.40 and 277,060,149.76 is: 382,344,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,009,486.86 : 706,574,965.40 = 277,060,149.76 : x
  2. Step 2: Convert to fraction form
    512,009,486.86/706,574,965.40 = 277,060,149.76/x
  3. Step 3: Cross multiply
    512,009,486.86x = 706,574,965.40 × 277,060,149.76
  4. Step 4: Simplify right side
    512,009,486.86x = 195,763,765,728,823,584
  5. Step 5: Solve for x
    x = 195,763,765,728,823,584/512,009,486.86
  6. Step 6: Final answer
    x = 382,344,020.48

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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.