Home / 393,984,421.60-590,976,632.40-163,877,029.60

Finding the Fourth Proportional to 393,984,421.60, 590,976,632.40 and 163,877,029.60

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Solution

The fourth proportional to 393,984,421.60, 590,976,632.40 and 163,877,029.60 is: 245,815,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,421.60 : 590,976,632.40 = 163,877,029.60 : x
  2. Step 2: Convert to fraction form
    393,984,421.60/590,976,632.40 = 163,877,029.60/x
  3. Step 3: Cross multiply
    393,984,421.60x = 590,976,632.40 × 163,877,029.60
  4. Step 4: Simplify right side
    393,984,421.60x = 96,847,495,080,723,104
  5. Step 5: Solve for x
    x = 96,847,495,080,723,104/393,984,421.60
  6. Step 6: Final answer
    x = 245,815,544.40

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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.