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Finding the Fourth Proportional to 330,783,280.10, 496,174,920.15 and 330,783,280.10

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Solution

The fourth proportional to 330,783,280.10, 496,174,920.15 and 330,783,280.10 is: 496,174,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,783,280.10 : 496,174,920.15 = 330,783,280.10 : x
  2. Step 2: Convert to fraction form
    330,783,280.10/496,174,920.15 = 330,783,280.10/x
  3. Step 3: Cross multiply
    330,783,280.10x = 496,174,920.15 × 330,783,280.10
  4. Step 4: Simplify right side
    330,783,280.10x = 164,126,367,590,572,576
  5. Step 5: Solve for x
    x = 164,126,367,590,572,576/330,783,280.10
  6. Step 6: Final answer
    x = 496,174,920.15

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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.