Home / 706,553,986.57-1,059,989,049.02-215,305,703.35

Finding the Fourth Proportional to 706,553,986.57, 1,059,989,049.02 and 215,305,703.35

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Solution

The fourth proportional to 706,553,986.57, 1,059,989,049.02 and 215,305,703.35 is: 323,006,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,553,986.57 : 1,059,989,049.02 = 215,305,703.35 : x
  2. Step 2: Convert to fraction form
    706,553,986.57/1,059,989,049.02 = 215,305,703.35/x
  3. Step 3: Cross multiply
    706,553,986.57x = 1,059,989,049.02 × 215,305,703.35
  4. Step 4: Simplify right side
    706,553,986.57x = 228,221,687,738,822,208
  5. Step 5: Solve for x
    x = 228,221,687,738,822,208/706,553,986.57
  6. Step 6: Final answer
    x = 323,006,722.88

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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.