Home / 393,984,083.40-590,976,125.10-264,989,574.60

Finding the Fourth Proportional to 393,984,083.40, 590,976,125.10 and 264,989,574.60

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Solution

The fourth proportional to 393,984,083.40, 590,976,125.10 and 264,989,574.60 is: 397,484,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,083.40 : 590,976,125.10 = 264,989,574.60 : x
  2. Step 2: Convert to fraction form
    393,984,083.40/590,976,125.10 = 264,989,574.60/x
  3. Step 3: Cross multiply
    393,984,083.40x = 590,976,125.10 × 264,989,574.60
  4. Step 4: Simplify right side
    393,984,083.40x = 156,602,511,989,005,376
  5. Step 5: Solve for x
    x = 156,602,511,989,005,376/393,984,083.40
  6. Step 6: Final answer
    x = 397,484,361.90

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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.