Home / 20,529,728,883.73-30,807,547,199.97-8,738,828,106.67

Finding the Fourth Proportional to 20,529,728,883.73, 30,807,547,199.97 and 8,738,828,106.67

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Solution

The fourth proportional to 20,529,728,883.73, 30,807,547,199.97 and 8,738,828,106.67 is: 13,113,756,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529,728,883.73 : 30,807,547,199.97 = 8,738,828,106.67 : x
  2. Step 2: Convert to fraction form
    20,529,728,883.73/30,807,547,199.97 = 8,738,828,106.67/x
  3. Step 3: Cross multiply
    20,529,728,883.73x = 30,807,547,199.97 × 8,738,828,106.67
  4. Step 4: Simplify right side
    20,529,728,883.73x = 269,221,859,368,660,500,480
  5. Step 5: Solve for x
    x = 269,221,859,368,660,500,480/20,529,728,883.73
  6. Step 6: Final answer
    x = 13,113,756,196.85

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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.