Home / 434,414,287.80-651,621,431.70-398,701,452.60

Finding the Fourth Proportional to 434,414,287.80, 651,621,431.70 and 398,701,452.60

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Solution

The fourth proportional to 434,414,287.80, 651,621,431.70 and 398,701,452.60 is: 598,052,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,414,287.80 : 651,621,431.70 = 398,701,452.60 : x
  2. Step 2: Convert to fraction form
    434,414,287.80/651,621,431.70 = 398,701,452.60/x
  3. Step 3: Cross multiply
    434,414,287.80x = 651,621,431.70 × 398,701,452.60
  4. Step 4: Simplify right side
    434,414,287.80x = 259,802,411,364,081,728
  5. Step 5: Solve for x
    x = 259,802,411,364,081,728/434,414,287.80
  6. Step 6: Final answer
    x = 598,052,178.90

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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.