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Finding the Fourth Proportional to 597,986,404.20, 896,979,606.30 and 561,706,698.60

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Solution

The fourth proportional to 597,986,404.20, 896,979,606.30 and 561,706,698.60 is: 842,560,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,986,404.20 : 896,979,606.30 = 561,706,698.60 : x
  2. Step 2: Convert to fraction form
    597,986,404.20/896,979,606.30 = 561,706,698.60/x
  3. Step 3: Cross multiply
    597,986,404.20x = 896,979,606.30 × 561,706,698.60
  4. Step 4: Simplify right side
    597,986,404.20x = 503,839,453,366,300,736
  5. Step 5: Solve for x
    x = 503,839,453,366,300,736/597,986,404.20
  6. Step 6: Final answer
    x = 842,560,047.90

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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.