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Finding the Fourth Proportional to 590,950,372.27, 815,528,856.71 and 323,041,008.86

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Solution

The fourth proportional to 590,950,372.27, 815,528,856.71 and 323,041,008.86 is: 445,806,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,950,372.27 : 815,528,856.71 = 323,041,008.86 : x
  2. Step 2: Convert to fraction form
    590,950,372.27/815,528,856.71 = 323,041,008.86/x
  3. Step 3: Cross multiply
    590,950,372.27x = 815,528,856.71 × 323,041,008.86
  4. Step 4: Simplify right side
    590,950,372.27x = 263,449,264,628,887,200
  5. Step 5: Solve for x
    x = 263,449,264,628,887,200/590,950,372.27
  6. Step 6: Final answer
    x = 445,806,072.71

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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.