Home / 13,606,721,945.65-18,778,394,072.06-7,504,267,990.33

Finding the Fourth Proportional to 13,606,721,945.65, 18,778,394,072.06 and 7,504,267,990.33

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Solution

The fourth proportional to 13,606,721,945.65, 18,778,394,072.06 and 7,504,267,990.33 is: 10,356,506,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,721,945.65 : 18,778,394,072.06 = 7,504,267,990.33 : x
  2. Step 2: Convert to fraction form
    13,606,721,945.65/18,778,394,072.06 = 7,504,267,990.33/x
  3. Step 3: Cross multiply
    13,606,721,945.65x = 18,778,394,072.06 × 7,504,267,990.33
  4. Step 4: Simplify right side
    13,606,721,945.65x = 140,918,101,544,668,594,176
  5. Step 5: Solve for x
    x = 140,918,101,544,668,594,176/13,606,721,945.65
  6. Step 6: Final answer
    x = 10,356,506,299.43

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Double scale
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1.5x scale

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.