Home / 393,984,173.40-590,976,260.10-262,470,240.60

Finding the Fourth Proportional to 393,984,173.40, 590,976,260.10 and 262,470,240.60

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Solution

The fourth proportional to 393,984,173.40, 590,976,260.10 and 262,470,240.60 is: 393,705,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,173.40 : 590,976,260.10 = 262,470,240.60 : x
  2. Step 2: Convert to fraction form
    393,984,173.40/590,976,260.10 = 262,470,240.60/x
  3. Step 3: Cross multiply
    393,984,173.40x = 590,976,260.10 × 262,470,240.60
  4. Step 4: Simplify right side
    393,984,173.40x = 155,113,681,177,335,168
  5. Step 5: Solve for x
    x = 155,113,681,177,335,168/393,984,173.40
  6. Step 6: Final answer
    x = 393,705,360.90

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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.