Home / 706,553,999.94-1,059,989,069.04-215,305,716.72

Finding the Fourth Proportional to 706,553,999.94, 1,059,989,069.04 and 215,305,716.72

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Solution

The fourth proportional to 706,553,999.94, 1,059,989,069.04 and 215,305,716.72 is: 323,006,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,553,999.94 : 1,059,989,069.04 = 215,305,716.72 : x
  2. Step 2: Convert to fraction form
    706,553,999.94/1,059,989,069.04 = 215,305,716.72/x
  3. Step 3: Cross multiply
    706,553,999.94x = 1,059,989,069.04 × 215,305,716.72
  4. Step 4: Simplify right side
    706,553,999.94x = 228,221,706,225,022,752
  5. Step 5: Solve for x
    x = 228,221,706,225,022,752/706,553,999.94
  6. Step 6: Final answer
    x = 323,006,742.93

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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.