Home / 394,065,333.16-543,719,940.30-235,264,549.93

Finding the Fourth Proportional to 394,065,333.16, 543,719,940.30 and 235,264,549.93

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Solution

The fourth proportional to 394,065,333.16, 543,719,940.30 and 235,264,549.93 is: 324,611,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,065,333.16 : 543,719,940.30 = 235,264,549.93 : x
  2. Step 2: Convert to fraction form
    394,065,333.16/543,719,940.30 = 235,264,549.93/x
  3. Step 3: Cross multiply
    394,065,333.16x = 543,719,940.30 × 235,264,549.93
  4. Step 4: Simplify right side
    394,065,333.16x = 127,918,027,042,645,968
  5. Step 5: Solve for x
    x = 127,918,027,042,645,968/394,065,333.16
  6. Step 6: Final answer
    x = 324,611,216.16

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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.