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Finding the Fourth Proportional to 477,375,755.19, 716,063,831.33 and 214,753,553.83

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Solution

The fourth proportional to 477,375,755.19, 716,063,831.33 and 214,753,553.83 is: 322,130,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,375,755.19 : 716,063,831.33 = 214,753,553.83 : x
  2. Step 2: Convert to fraction form
    477,375,755.19/716,063,831.33 = 214,753,553.83/x
  3. Step 3: Cross multiply
    477,375,755.19x = 716,063,831.33 × 214,753,553.83
  4. Step 4: Simplify right side
    477,375,755.19x = 153,777,252,546,366,240
  5. Step 5: Solve for x
    x = 153,777,252,546,366,240/477,375,755.19
  6. Step 6: Final answer
    x = 322,130,420.06

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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.