Home / 946,467,383.67-1,306,100,926.89-528,782,805.90

Finding the Fourth Proportional to 946,467,383.67, 1,306,100,926.89 and 528,782,805.90

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Solution

The fourth proportional to 946,467,383.67, 1,306,100,926.89 and 528,782,805.90 is: 729,706,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,467,383.67 : 1,306,100,926.89 = 528,782,805.90 : x
  2. Step 2: Convert to fraction form
    946,467,383.67/1,306,100,926.89 = 528,782,805.90/x
  3. Step 3: Cross multiply
    946,467,383.67x = 1,306,100,926.89 × 528,782,805.90
  4. Step 4: Simplify right side
    946,467,383.67x = 690,643,712,909,484,928
  5. Step 5: Solve for x
    x = 690,643,712,909,484,928/946,467,383.67
  6. Step 6: Final answer
    x = 729,706,828.60

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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.