Home / 31,448,257,560.04-43,399,666,272.42-18,598,912,232.68

Finding the Fourth Proportional to 31,448,257,560.04, 43,399,666,272.42 and 18,598,912,232.68

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Solution

The fourth proportional to 31,448,257,560.04, 43,399,666,272.42 and 18,598,912,232.68 is: 25,667,132,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448,257,560.04 : 43,399,666,272.42 = 18,598,912,232.68 : x
  2. Step 2: Convert to fraction form
    31,448,257,560.04/43,399,666,272.42 = 18,598,912,232.68/x
  3. Step 3: Cross multiply
    31,448,257,560.04x = 43,399,666,272.42 × 18,598,912,232.68
  4. Step 4: Simplify right side
    31,448,257,560.04x = 807,186,583,928,341,921,792
  5. Step 5: Solve for x
    x = 807,186,583,928,341,921,792/31,448,257,560.04
  6. Step 6: Final answer
    x = 25,667,132,189.67

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Double scale
Find fourth proportional to 31,448,257,561.04, 43,399,666,273.80 and 18,598,912,233.68
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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.