Home / 393,693,538.40-590,537,197.20-102,560,098.40

Finding the Fourth Proportional to 393,693,538.40, 590,537,197.20 and 102,560,098.40

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Solution

The fourth proportional to 393,693,538.40, 590,537,197.20 and 102,560,098.40 is: 153,839,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,693,538.40 : 590,537,197.20 = 102,560,098.40 : x
  2. Step 2: Convert to fraction form
    393,693,538.40/590,537,197.20 = 102,560,098.40/x
  3. Step 3: Cross multiply
    393,693,538.40x = 590,537,197.20 × 102,560,098.40
  4. Step 4: Simplify right side
    393,693,538.40x = 60,565,553,053,692,216
  5. Step 5: Solve for x
    x = 60,565,553,053,692,216/393,693,538.40
  6. Step 6: Final answer
    x = 153,839,337.32

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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.