Home / 19,701,807,612.38-29,599,857,556.43-12,633,139,602.41

Finding the Fourth Proportional to 19,701,807,612.38, 29,599,857,556.43 and 12,633,139,602.41

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Solution

The fourth proportional to 19,701,807,612.38, 29,599,857,556.43 and 12,633,139,602.41 is: 18,979,940,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,807,612.38 : 29,599,857,556.43 = 12,633,139,602.41 : x
  2. Step 2: Convert to fraction form
    19,701,807,612.38/29,599,857,556.43 = 12,633,139,602.41/x
  3. Step 3: Cross multiply
    19,701,807,612.38x = 29,599,857,556.43 × 12,633,139,602.41
  4. Step 4: Simplify right side
    19,701,807,612.38x = 373,939,132,721,619,599,360
  5. Step 5: Solve for x
    x = 373,939,132,721,619,599,360/19,701,807,612.38
  6. Step 6: Final answer
    x = 18,979,940,322.16

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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.