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Finding the Fourth Proportional to 1,879,418,381.22, 2,817,374,998.86 and 634,978,558.94

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Solution

The fourth proportional to 1,879,418,381.22, 2,817,374,998.86 and 634,978,558.94 is: 951,875,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,418,381.22 : 2,817,374,998.86 = 634,978,558.94 : x
  2. Step 2: Convert to fraction form
    1,879,418,381.22/2,817,374,998.86 = 634,978,558.94/x
  3. Step 3: Cross multiply
    1,879,418,381.22x = 2,817,374,998.86 × 634,978,558.94
  4. Step 4: Simplify right side
    1,879,418,381.22x = 1,788,972,716,755,620,096
  5. Step 5: Solve for x
    x = 1,788,972,716,755,620,096/1,879,418,381.22
  6. Step 6: Final answer
    x = 951,875,715.72

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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.