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Finding the Fourth Proportional to 936,203,634.23, 1,404,370,978.77 and 375,965,378.03

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Solution

The fourth proportional to 936,203,634.23, 1,404,370,978.77 and 375,965,378.03 is: 563,974,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,203,634.23 : 1,404,370,978.77 = 375,965,378.03 : x
  2. Step 2: Convert to fraction form
    936,203,634.23/1,404,370,978.77 = 375,965,378.03/x
  3. Step 3: Cross multiply
    936,203,634.23x = 1,404,370,978.77 × 375,965,378.03
  4. Step 4: Simplify right side
    936,203,634.23x = 527,994,865,922,565,760
  5. Step 5: Solve for x
    x = 527,994,865,922,565,760/936,203,634.23
  6. Step 6: Final answer
    x = 563,974,381.87

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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.