Home / 8,755,675,783.83-13,146,619,010.22-7,578,905,977.53

Finding the Fourth Proportional to 8,755,675,783.83, 13,146,619,010.22 and 7,578,905,977.53

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Solution

The fourth proportional to 8,755,675,783.83, 13,146,619,010.22 and 7,578,905,977.53 is: 11,379,702,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755,675,783.83 : 13,146,619,010.22 = 7,578,905,977.53 : x
  2. Step 2: Convert to fraction form
    8,755,675,783.83/13,146,619,010.22 = 7,578,905,977.53/x
  3. Step 3: Cross multiply
    8,755,675,783.83x = 13,146,619,010.22 × 7,578,905,977.53
  4. Step 4: Simplify right side
    8,755,675,783.83x = 99,636,989,400,865,882,112
  5. Step 5: Solve for x
    x = 99,636,989,400,865,882,112/8,755,675,783.83
  6. Step 6: Final answer
    x = 11,379,702,933.37

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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.