Home / 8,755,675,785.33-13,146,619,012.47-7,578,905,979.03

Finding the Fourth Proportional to 8,755,675,785.33, 13,146,619,012.47 and 7,578,905,979.03

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Solution

The fourth proportional to 8,755,675,785.33, 13,146,619,012.47 and 7,578,905,979.03 is: 11,379,702,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755,675,785.33 : 13,146,619,012.47 = 7,578,905,979.03 : x
  2. Step 2: Convert to fraction form
    8,755,675,785.33/13,146,619,012.47 = 7,578,905,979.03/x
  3. Step 3: Cross multiply
    8,755,675,785.33x = 13,146,619,012.47 × 7,578,905,979.03
  4. Step 4: Simplify right side
    8,755,675,785.33x = 99,636,989,437,638,344,704
  5. Step 5: Solve for x
    x = 99,636,989,437,638,344,704/8,755,675,785.33
  6. Step 6: Final answer
    x = 11,379,702,935.62

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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.