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Finding the Fourth Proportional to 411,036,808.20, 616,555,212.30 and 333,552,710.40

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Solution

The fourth proportional to 411,036,808.20, 616,555,212.30 and 333,552,710.40 is: 500,329,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,808.20 : 616,555,212.30 = 333,552,710.40 : x
  2. Step 2: Convert to fraction form
    411,036,808.20/616,555,212.30 = 333,552,710.40/x
  3. Step 3: Cross multiply
    411,036,808.20x = 616,555,212.30 × 333,552,710.40
  4. Step 4: Simplify right side
    411,036,808.20x = 205,653,662,173,912,384
  5. Step 5: Solve for x
    x = 205,653,662,173,912,384/411,036,808.20
  6. Step 6: Final answer
    x = 500,329,065.60

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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.