Home / 19,276,739,836.93-28,899,902,515.82-12,179,262,749.67

Finding the Fourth Proportional to 19,276,739,836.93, 28,899,902,515.82 and 12,179,262,749.67

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Solution

The fourth proportional to 19,276,739,836.93, 28,899,902,515.82 and 12,179,262,749.67 is: 18,259,286,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276,739,836.93 : 28,899,902,515.82 = 12,179,262,749.67 : x
  2. Step 2: Convert to fraction form
    19,276,739,836.93/28,899,902,515.82 = 12,179,262,749.67/x
  3. Step 3: Cross multiply
    19,276,739,836.93x = 28,899,902,515.82 × 12,179,262,749.67
  4. Step 4: Simplify right side
    19,276,739,836.93x = 351,979,506,179,873,243,136
  5. Step 5: Solve for x
    x = 351,979,506,179,873,243,136/19,276,739,836.93
  6. Step 6: Final answer
    x = 18,259,286,018.15

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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.