Home / 1,040,628,740.58-1,561,801,892.31-523,206,235.62

Finding the Fourth Proportional to 1,040,628,740.58, 1,561,801,892.31 and 523,206,235.62

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Solution

The fourth proportional to 1,040,628,740.58, 1,561,801,892.31 and 523,206,235.62 is: 785,241,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,628,740.58 : 1,561,801,892.31 = 523,206,235.62 : x
  2. Step 2: Convert to fraction form
    1,040,628,740.58/1,561,801,892.31 = 523,206,235.62/x
  3. Step 3: Cross multiply
    1,040,628,740.58x = 1,561,801,892.31 × 523,206,235.62
  4. Step 4: Simplify right side
    1,040,628,740.58x = 817,144,488,859,707,648
  5. Step 5: Solve for x
    x = 817,144,488,859,707,648/1,040,628,740.58
  6. Step 6: Final answer
    x = 785,241,130.67

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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.