Home / 829,805,302.80-1,244,707,954.20-782,188,189.20

Finding the Fourth Proportional to 829,805,302.80, 1,244,707,954.20 and 782,188,189.20

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Solution

The fourth proportional to 829,805,302.80, 1,244,707,954.20 and 782,188,189.20 is: 1,173,282,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,805,302.80 : 1,244,707,954.20 = 782,188,189.20 : x
  2. Step 2: Convert to fraction form
    829,805,302.80/1,244,707,954.20 = 782,188,189.20/x
  3. Step 3: Cross multiply
    829,805,302.80x = 1,244,707,954.20 × 782,188,189.20
  4. Step 4: Simplify right side
    829,805,302.80x = 973,595,860,778,534,656
  5. Step 5: Solve for x
    x = 973,595,860,778,534,656/829,805,302.80
  6. Step 6: Final answer
    x = 1,173,282,283.80

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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.