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Finding the Fourth Proportional to 475,752,885.40, 714,329,858.94 and 266,074,379.02

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Solution

The fourth proportional to 475,752,885.40, 714,329,858.94 and 266,074,379.02 is: 399,503,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,752,885.40 : 714,329,858.94 = 266,074,379.02 : x
  2. Step 2: Convert to fraction form
    475,752,885.40/714,329,858.94 = 266,074,379.02/x
  3. Step 3: Cross multiply
    475,752,885.40x = 714,329,858.94 × 266,074,379.02
  4. Step 4: Simplify right side
    475,752,885.40x = 190,064,873,632,904,704
  5. Step 5: Solve for x
    x = 190,064,873,632,904,704/475,752,885.40
  6. Step 6: Final answer
    x = 399,503,354.51

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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.