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Finding the Fourth Proportional to 411,036,896.70, 616,555,345.05 and 333,552,798.90

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Solution

The fourth proportional to 411,036,896.70, 616,555,345.05 and 333,552,798.90 is: 500,329,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,896.70 : 616,555,345.05 = 333,552,798.90 : x
  2. Step 2: Convert to fraction form
    411,036,896.70/616,555,345.05 = 333,552,798.90/x
  3. Step 3: Cross multiply
    411,036,896.70x = 616,555,345.05 × 333,552,798.90
  4. Step 4: Simplify right side
    411,036,896.70x = 205,653,761,018,182,720
  5. Step 5: Solve for x
    x = 205,653,761,018,182,720/411,036,896.70
  6. Step 6: Final answer
    x = 500,329,198.35

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Similar ratio
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1.5x scale

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.