Home / 465,479,598.66-698,389,651.26-216,603,551.94

Finding the Fourth Proportional to 465,479,598.66, 698,389,651.26 and 216,603,551.94

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Solution

The fourth proportional to 465,479,598.66, 698,389,651.26 and 216,603,551.94 is: 324,984,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,479,598.66 : 698,389,651.26 = 216,603,551.94 : x
  2. Step 2: Convert to fraction form
    465,479,598.66/698,389,651.26 = 216,603,551.94/x
  3. Step 3: Cross multiply
    465,479,598.66x = 698,389,651.26 × 216,603,551.94
  4. Step 4: Simplify right side
    465,479,598.66x = 151,273,679,101,053,888
  5. Step 5: Solve for x
    x = 151,273,679,101,053,888/465,479,598.66
  6. Step 6: Final answer
    x = 324,984,552.57

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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.