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Finding the Fourth Proportional to 399,171,024.40, 598,756,536.60 and 399,171,024.40

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Solution

The fourth proportional to 399,171,024.40, 598,756,536.60 and 399,171,024.40 is: 598,756,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,171,024.40 : 598,756,536.60 = 399,171,024.40 : x
  2. Step 2: Convert to fraction form
    399,171,024.40/598,756,536.60 = 399,171,024.40/x
  3. Step 3: Cross multiply
    399,171,024.40x = 598,756,536.60 × 399,171,024.40
  4. Step 4: Simplify right side
    399,171,024.40x = 239,006,260,080,818,080
  5. Step 5: Solve for x
    x = 239,006,260,080,818,080/399,171,024.40
  6. Step 6: Final answer
    x = 598,756,536.60

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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.