Home / 1,521,786,624.58-2,100,065,496.41-843,601,857.05

Finding the Fourth Proportional to 1,521,786,624.58, 2,100,065,496.41 and 843,601,857.05

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Solution

The fourth proportional to 1,521,786,624.58, 2,100,065,496.41 and 843,601,857.05 is: 1,164,170,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,786,624.58 : 2,100,065,496.41 = 843,601,857.05 : x
  2. Step 2: Convert to fraction form
    1,521,786,624.58/2,100,065,496.41 = 843,601,857.05/x
  3. Step 3: Cross multiply
    1,521,786,624.58x = 2,100,065,496.41 × 843,601,857.05
  4. Step 4: Simplify right side
    1,521,786,624.58x = 1,771,619,152,698,106,112
  5. Step 5: Solve for x
    x = 1,771,619,152,698,106,112/1,521,786,624.58
  6. Step 6: Final answer
    x = 1,164,170,537.50

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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.