Home / 1,040,259,628.84-1,560,150,665.54-620,199,859.72

Finding the Fourth Proportional to 1,040,259,628.84, 1,560,150,665.54 and 620,199,859.72

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Solution

The fourth proportional to 1,040,259,628.84, 1,560,150,665.54 and 620,199,859.72 is: 930,157,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,259,628.84 : 1,560,150,665.54 = 620,199,859.72 : x
  2. Step 2: Convert to fraction form
    1,040,259,628.84/1,560,150,665.54 = 620,199,859.72/x
  3. Step 3: Cross multiply
    1,040,259,628.84x = 1,560,150,665.54 × 620,199,859.72
  4. Step 4: Simplify right side
    1,040,259,628.84x = 967,605,223,909,972,608
  5. Step 5: Solve for x
    x = 967,605,223,909,972,608/1,040,259,628.84
  6. Step 6: Final answer
    x = 930,157,430.98

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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.