Home / 406,993,885.98-610,741,935.50-188,603,521.44

Finding the Fourth Proportional to 406,993,885.98, 610,741,935.50 and 188,603,521.44

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Solution

The fourth proportional to 406,993,885.98, 610,741,935.50 and 188,603,521.44 is: 283,021,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,993,885.98 : 610,741,935.50 = 188,603,521.44 : x
  2. Step 2: Convert to fraction form
    406,993,885.98/610,741,935.50 = 188,603,521.44/x
  3. Step 3: Cross multiply
    406,993,885.98x = 610,741,935.50 × 188,603,521.44
  4. Step 4: Simplify right side
    406,993,885.98x = 115,188,079,723,799,152
  5. Step 5: Solve for x
    x = 115,188,079,723,799,152/406,993,885.98
  6. Step 6: Final answer
    x = 283,021,646.50

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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.