Home / 818,754,185.47-1,227,694,318.41-424,884,431.67

Finding the Fourth Proportional to 818,754,185.47, 1,227,694,318.41 and 424,884,431.67

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Solution

The fourth proportional to 818,754,185.47, 1,227,694,318.41 and 424,884,431.67 is: 637,099,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,754,185.47 : 1,227,694,318.41 = 424,884,431.67 : x
  2. Step 2: Convert to fraction form
    818,754,185.47/1,227,694,318.41 = 424,884,431.67/x
  3. Step 3: Cross multiply
    818,754,185.47x = 1,227,694,318.41 × 424,884,431.67
  4. Step 4: Simplify right side
    818,754,185.47x = 521,628,202,739,089,088
  5. Step 5: Solve for x
    x = 521,628,202,739,089,088/818,754,185.47
  6. Step 6: Final answer
    x = 637,099,891.51

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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.