Home / 979,886,673.60-1,469,830,010.40-889,187,409.60

Finding the Fourth Proportional to 979,886,673.60, 1,469,830,010.40 and 889,187,409.60

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Solution

The fourth proportional to 979,886,673.60, 1,469,830,010.40 and 889,187,409.60 is: 1,333,781,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,886,673.60 : 1,469,830,010.40 = 889,187,409.60 : x
  2. Step 2: Convert to fraction form
    979,886,673.60/1,469,830,010.40 = 889,187,409.60/x
  3. Step 3: Cross multiply
    979,886,673.60x = 1,469,830,010.40 × 889,187,409.60
  4. Step 4: Simplify right side
    979,886,673.60x = 1,306,954,339,499,917,056
  5. Step 5: Solve for x
    x = 1,306,954,339,499,917,056/979,886,673.60
  6. Step 6: Final answer
    x = 1,333,781,114.40

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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.