Home / 512,261,076.56-706,920,135.90-277,311,562.72

Finding the Fourth Proportional to 512,261,076.56, 706,920,135.90 and 277,311,562.72

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Solution

The fourth proportional to 512,261,076.56, 706,920,135.90 and 277,311,562.72 is: 382,689,875.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,261,076.56 : 706,920,135.90 = 277,311,562.72 : x
  2. Step 2: Convert to fraction form
    512,261,076.56/706,920,135.90 = 277,311,562.72/x
  3. Step 3: Cross multiply
    512,261,076.56x = 706,920,135.90 × 277,311,562.72
  4. Step 4: Simplify right side
    512,261,076.56x = 196,037,127,604,663,776
  5. Step 5: Solve for x
    x = 196,037,127,604,663,776/512,261,076.56
  6. Step 6: Final answer
    x = 382,689,875.49

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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.