Home / 18,943,111,438.38-26,139,705,582.44-11,320,639,807.34

Finding the Fourth Proportional to 18,943,111,438.38, 26,139,705,582.44 and 11,320,639,807.34

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Solution

The fourth proportional to 18,943,111,438.38, 26,139,705,582.44 and 11,320,639,807.34 is: 15,621,414,281.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943,111,438.38 : 26,139,705,582.44 = 11,320,639,807.34 : x
  2. Step 2: Convert to fraction form
    18,943,111,438.38/26,139,705,582.44 = 11,320,639,807.34/x
  3. Step 3: Cross multiply
    18,943,111,438.38x = 26,139,705,582.44 × 11,320,639,807.34
  4. Step 4: Simplify right side
    18,943,111,438.38x = 295,918,191,568,717,873,152
  5. Step 5: Solve for x
    x = 295,918,191,568,717,873,152/18,943,111,438.38
  6. Step 6: Final answer
    x = 15,621,414,281.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.