Home / 982,111,288.83-1,355,111,258.86-564,342,861.52

Finding the Fourth Proportional to 982,111,288.83, 1,355,111,258.86 and 564,342,861.52

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Solution

The fourth proportional to 982,111,288.83, 1,355,111,258.86 and 564,342,861.52 is: 778,676,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,111,288.83 : 1,355,111,258.86 = 564,342,861.52 : x
  2. Step 2: Convert to fraction form
    982,111,288.83/1,355,111,258.86 = 564,342,861.52/x
  3. Step 3: Cross multiply
    982,111,288.83x = 1,355,111,258.86 × 564,342,861.52
  4. Step 4: Simplify right side
    982,111,288.83x = 764,747,365,503,021,824
  5. Step 5: Solve for x
    x = 764,747,365,503,021,824/982,111,288.83
  6. Step 6: Final answer
    x = 778,676,891.51

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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.