Home / 210,381,892,862.48-315,568,418,035.98-51,205,880,284.73

Finding the Fourth Proportional to 210,381,892,862.48, 315,568,418,035.98 and 51,205,880,284.73

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Solution

The fourth proportional to 210,381,892,862.48, 315,568,418,035.98 and 51,205,880,284.73 is: 76,807,744,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,381,892,862.48 : 315,568,418,035.98 = 51,205,880,284.73 : x
  2. Step 2: Convert to fraction form
    210,381,892,862.48/315,568,418,035.98 = 51,205,880,284.73/x
  3. Step 3: Cross multiply
    210,381,892,862.48x = 315,568,418,035.98 × 51,205,880,284.73
  4. Step 4: Simplify right side
    210,381,892,862.48x = 16,158,958,635,592,024,326,144
  5. Step 5: Solve for x
    x = 16,158,958,635,592,024,326,144/210,381,892,862.48
  6. Step 6: Final answer
    x = 76,807,744,315.50

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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.