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Finding the Fourth Proportional to 399,849,793.65, 598,698,522.45 and 399,849,793.65

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Solution

The fourth proportional to 399,849,793.65, 598,698,522.45 and 399,849,793.65 is: 598,698,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,849,793.65 : 598,698,522.45 = 399,849,793.65 : x
  2. Step 2: Convert to fraction form
    399,849,793.65/598,698,522.45 = 399,849,793.65/x
  3. Step 3: Cross multiply
    399,849,793.65x = 598,698,522.45 × 399,849,793.65
  4. Step 4: Simplify right side
    399,849,793.65x = 239,389,480,660,192,384
  5. Step 5: Solve for x
    x = 239,389,480,660,192,384/399,849,793.65
  6. Step 6: Final answer
    x = 598,698,522.45

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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.