Home / 1,816,611,951.75-2,506,925,453.96-981,236,520.63

Finding the Fourth Proportional to 1,816,611,951.75, 2,506,925,453.96 and 981,236,520.63

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Solution

The fourth proportional to 1,816,611,951.75, 2,506,925,453.96 and 981,236,520.63 is: 1,354,106,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,611,951.75 : 2,506,925,453.96 = 981,236,520.63 : x
  2. Step 2: Convert to fraction form
    1,816,611,951.75/2,506,925,453.96 = 981,236,520.63/x
  3. Step 3: Cross multiply
    1,816,611,951.75x = 2,506,925,453.96 × 981,236,520.63
  4. Step 4: Simplify right side
    1,816,611,951.75x = 2,459,886,809,917,587,456
  5. Step 5: Solve for x
    x = 2,459,886,809,917,587,456/1,816,611,951.75
  6. Step 6: Final answer
    x = 1,354,106,917.30

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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.