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Finding the Fourth Proportional to 835,906,822.72, 1,153,521,994.08 and 459,560,670.40

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Solution

The fourth proportional to 835,906,822.72, 1,153,521,994.08 and 459,560,670.40 is: 634,177,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,906,822.72 : 1,153,521,994.08 = 459,560,670.40 : x
  2. Step 2: Convert to fraction form
    835,906,822.72/1,153,521,994.08 = 459,560,670.40/x
  3. Step 3: Cross multiply
    835,906,822.72x = 1,153,521,994.08 × 459,560,670.40
  4. Step 4: Simplify right side
    835,906,822.72x = 530,113,340,920,549,568
  5. Step 5: Solve for x
    x = 530,113,340,920,549,568/835,906,822.72
  6. Step 6: Final answer
    x = 634,177,550.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.