Home / 706,554,025.91-1,059,989,108.03-215,305,742.69

Finding the Fourth Proportional to 706,554,025.91, 1,059,989,108.03 and 215,305,742.69

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Solution

The fourth proportional to 706,554,025.91, 1,059,989,108.03 and 215,305,742.69 is: 323,006,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,554,025.91 : 1,059,989,108.03 = 215,305,742.69 : x
  2. Step 2: Convert to fraction form
    706,554,025.91/1,059,989,108.03 = 215,305,742.69/x
  3. Step 3: Cross multiply
    706,554,025.91x = 1,059,989,108.03 × 215,305,742.69
  4. Step 4: Simplify right side
    706,554,025.91x = 228,221,742,147,709,792
  5. Step 5: Solve for x
    x = 228,221,742,147,709,792/706,554,025.91
  6. Step 6: Final answer
    x = 323,006,781.90

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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.