Home / 13,273,051,666.72-18,316,818,648-7,169,404,194.17

Finding the Fourth Proportional to 13,273,051,666.72, 18,316,818,648 and 7,169,404,194.17

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Solution

The fourth proportional to 13,273,051,666.72, 18,316,818,648 and 7,169,404,194.17 is: 9,893,781,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,051,666.72 : 18,316,818,648 = 7,169,404,194.17 : x
  2. Step 2: Convert to fraction form
    13,273,051,666.72/18,316,818,648 = 7,169,404,194.17/x
  3. Step 3: Cross multiply
    13,273,051,666.72x = 18,316,818,648 × 7,169,404,194.17
  4. Step 4: Simplify right side
    13,273,051,666.72x = 131,320,676,438,822,469,632
  5. Step 5: Solve for x
    x = 131,320,676,438,822,469,632/13,273,051,666.72
  6. Step 6: Final answer
    x = 9,893,781,756.92

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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.