Home / 393,984,133.60-590,976,200.40-375,172,434.40

Finding the Fourth Proportional to 393,984,133.60, 590,976,200.40 and 375,172,434.40

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Solution

The fourth proportional to 393,984,133.60, 590,976,200.40 and 375,172,434.40 is: 562,758,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,984,133.60 : 590,976,200.40 = 375,172,434.40 : x
  2. Step 2: Convert to fraction form
    393,984,133.60/590,976,200.40 = 375,172,434.40/x
  3. Step 3: Cross multiply
    393,984,133.60x = 590,976,200.40 × 375,172,434.40
  4. Step 4: Simplify right side
    393,984,133.60x = 221,717,979,776,530,240
  5. Step 5: Solve for x
    x = 221,717,979,776,530,240/393,984,133.60
  6. Step 6: Final answer
    x = 562,758,651.60

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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.