Home / 13,273,051,665.72-18,316,818,646.62-7,169,404,193.17

Finding the Fourth Proportional to 13,273,051,665.72, 18,316,818,646.62 and 7,169,404,193.17

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Solution

The fourth proportional to 13,273,051,665.72, 18,316,818,646.62 and 7,169,404,193.17 is: 9,893,781,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,051,665.72 : 18,316,818,646.62 = 7,169,404,193.17 : x
  2. Step 2: Convert to fraction form
    13,273,051,665.72/18,316,818,646.62 = 7,169,404,193.17/x
  3. Step 3: Cross multiply
    13,273,051,665.72x = 18,316,818,646.62 × 7,169,404,193.17
  4. Step 4: Simplify right side
    13,273,051,665.72x = 131,320,676,410,537,410,560
  5. Step 5: Solve for x
    x = 131,320,676,410,537,410,560/13,273,051,665.72
  6. Step 6: Final answer
    x = 9,893,781,755.53

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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.