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Finding the Fourth Proportional to 411,036,897.70, 616,555,346.55 and 333,552,799.90

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Solution

The fourth proportional to 411,036,897.70, 616,555,346.55 and 333,552,799.90 is: 500,329,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,897.70 : 616,555,346.55 = 333,552,799.90 : x
  2. Step 2: Convert to fraction form
    411,036,897.70/616,555,346.55 = 333,552,799.90/x
  3. Step 3: Cross multiply
    411,036,897.70x = 616,555,346.55 × 333,552,799.90
  4. Step 4: Simplify right side
    411,036,897.70x = 205,653,762,135,067,264
  5. Step 5: Solve for x
    x = 205,653,762,135,067,264/411,036,897.70
  6. Step 6: Final answer
    x = 500,329,199.85

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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.