Home / 1,298,638,947.58-1,792,073,717.94-703,910,662.81

Finding the Fourth Proportional to 1,298,638,947.58, 1,792,073,717.94 and 703,910,662.81

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Solution

The fourth proportional to 1,298,638,947.58, 1,792,073,717.94 and 703,910,662.81 is: 971,370,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,638,947.58 : 1,792,073,717.94 = 703,910,662.81 : x
  2. Step 2: Convert to fraction form
    1,298,638,947.58/1,792,073,717.94 = 703,910,662.81/x
  3. Step 3: Cross multiply
    1,298,638,947.58x = 1,792,073,717.94 × 703,910,662.81
  4. Step 4: Simplify right side
    1,298,638,947.58x = 1,261,459,798,599,526,400
  5. Step 5: Solve for x
    x = 1,261,459,798,599,526,400/1,298,638,947.58
  6. Step 6: Final answer
    x = 971,370,680.78

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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.