Home / 393,984,065.40-590,976,098.10-264,989,556.60

Finding the Fourth Proportional to 393,984,065.40, 590,976,098.10 and 264,989,556.60

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Solution

The fourth proportional to 393,984,065.40, 590,976,098.10 and 264,989,556.60 is: 397,484,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,065.40 : 590,976,098.10 = 264,989,556.60 : x
  2. Step 2: Convert to fraction form
    393,984,065.40/590,976,098.10 = 264,989,556.60/x
  3. Step 3: Cross multiply
    393,984,065.40x = 590,976,098.10 × 264,989,556.60
  4. Step 4: Simplify right side
    393,984,065.40x = 156,602,494,196,717,120
  5. Step 5: Solve for x
    x = 156,602,494,196,717,120/393,984,065.40
  6. Step 6: Final answer
    x = 397,484,334.90

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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.