Home / 12,939,696,020.70-19,409,544,031.05-12,810,701,511.90

Finding the Fourth Proportional to 12,939,696,020.70, 19,409,544,031.05 and 12,810,701,511.90

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Solution

The fourth proportional to 12,939,696,020.70, 19,409,544,031.05 and 12,810,701,511.90 is: 19,216,052,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,939,696,020.70 : 19,409,544,031.05 = 12,810,701,511.90 : x
  2. Step 2: Convert to fraction form
    12,939,696,020.70/19,409,544,031.05 = 12,810,701,511.90/x
  3. Step 3: Cross multiply
    12,939,696,020.70x = 19,409,544,031.05 × 12,810,701,511.90
  4. Step 4: Simplify right side
    12,939,696,020.70x = 248,649,875,063,861,837,824
  5. Step 5: Solve for x
    x = 248,649,875,063,861,837,824/12,939,696,020.70
  6. Step 6: Final answer
    x = 19,216,052,267.85

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1.5x scale

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.