Home / 706,554,013.66-1,059,989,089.66-215,305,730.44

Finding the Fourth Proportional to 706,554,013.66, 1,059,989,089.66 and 215,305,730.44

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Solution

The fourth proportional to 706,554,013.66, 1,059,989,089.66 and 215,305,730.44 is: 323,006,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,554,013.66 : 1,059,989,089.66 = 215,305,730.44 : x
  2. Step 2: Convert to fraction form
    706,554,013.66/1,059,989,089.66 = 215,305,730.44/x
  3. Step 3: Cross multiply
    706,554,013.66x = 1,059,989,089.66 × 215,305,730.44
  4. Step 4: Simplify right side
    706,554,013.66x = 228,221,725,204,488,736
  5. Step 5: Solve for x
    x = 228,221,725,204,488,736/706,554,013.66
  6. Step 6: Final answer
    x = 323,006,763.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.