Home / 512,051,813.40-706,633,261.30-277,102,411.52

Finding the Fourth Proportional to 512,051,813.40, 706,633,261.30 and 277,102,411.52

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Solution

The fourth proportional to 512,051,813.40, 706,633,261.30 and 277,102,411.52 is: 382,402,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,051,813.40 : 706,633,261.30 = 277,102,411.52 : x
  2. Step 2: Convert to fraction form
    512,051,813.40/706,633,261.30 = 277,102,411.52/x
  3. Step 3: Cross multiply
    512,051,813.40x = 706,633,261.30 × 277,102,411.52
  4. Step 4: Simplify right side
    512,051,813.40x = 195,809,780,766,472,256
  5. Step 5: Solve for x
    x = 195,809,780,766,472,256/512,051,813.40
  6. Step 6: Final answer
    x = 382,402,279.70

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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.