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Finding the Fourth Proportional to 576,803,727.90, 865,205,602.83 and 140,101,469.64

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Solution

The fourth proportional to 576,803,727.90, 865,205,602.83 and 140,101,469.64 is: 210,152,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,803,727.90 : 865,205,602.83 = 140,101,469.64 : x
  2. Step 2: Convert to fraction form
    576,803,727.90/865,205,602.83 = 140,101,469.64/x
  3. Step 3: Cross multiply
    576,803,727.90x = 865,205,602.83 × 140,101,469.64
  4. Step 4: Simplify right side
    576,803,727.90x = 121,216,576,497,245,136
  5. Step 5: Solve for x
    x = 121,216,576,497,245,136/576,803,727.90
  6. Step 6: Final answer
    x = 210,152,207.13

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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.