Home / 393,661,811.60-590,492,717.40-163,795,864.40

Finding the Fourth Proportional to 393,661,811.60, 590,492,717.40 and 163,795,864.40

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Solution

The fourth proportional to 393,661,811.60, 590,492,717.40 and 163,795,864.40 is: 245,693,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,661,811.60 : 590,492,717.40 = 163,795,864.40 : x
  2. Step 2: Convert to fraction form
    393,661,811.60/590,492,717.40 = 163,795,864.40/x
  3. Step 3: Cross multiply
    393,661,811.60x = 590,492,717.40 × 163,795,864.40
  4. Step 4: Simplify right side
    393,661,811.60x = 96,720,265,068,437,920
  5. Step 5: Solve for x
    x = 96,720,265,068,437,920/393,661,811.60
  6. Step 6: Final answer
    x = 245,693,796.60

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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.