Home / 21,559,856,778.87-32,310,877,720.98-16,779,532,086.93

Finding the Fourth Proportional to 21,559,856,778.87, 32,310,877,720.98 and 16,779,532,086.93

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Solution

The fourth proportional to 21,559,856,778.87, 32,310,877,720.98 and 16,779,532,086.93 is: 25,146,800,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,856,778.87 : 32,310,877,720.98 = 16,779,532,086.93 : x
  2. Step 2: Convert to fraction form
    21,559,856,778.87/32,310,877,720.98 = 16,779,532,086.93/x
  3. Step 3: Cross multiply
    21,559,856,778.87x = 32,310,877,720.98 × 16,779,532,086.93
  4. Step 4: Simplify right side
    21,559,856,778.87x = 542,161,409,476,055,597,056
  5. Step 5: Solve for x
    x = 542,161,409,476,055,597,056/21,559,856,778.87
  6. Step 6: Final answer
    x = 25,146,800,140.50

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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.