Home / 512,261,355.65-706,920,521.81-277,311,843.59

Finding the Fourth Proportional to 512,261,355.65, 706,920,521.81 and 277,311,843.59

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Solution

The fourth proportional to 512,261,355.65, 706,920,521.81 and 277,311,843.59 is: 382,690,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,261,355.65 : 706,920,521.81 = 277,311,843.59 : x
  2. Step 2: Convert to fraction form
    512,261,355.65/706,920,521.81 = 277,311,843.59/x
  3. Step 3: Cross multiply
    512,261,355.65x = 706,920,521.81 × 277,311,843.59
  4. Step 4: Simplify right side
    512,261,355.65x = 196,037,433,169,814,720
  5. Step 5: Solve for x
    x = 196,037,433,169,814,720/512,261,355.65
  6. Step 6: Final answer
    x = 382,690,263.49

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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.