Home / 1,768,961,555.40-2,643,080,000.73-1,707,097,171.80

Finding the Fourth Proportional to 1,768,961,555.40, 2,643,080,000.73 and 1,707,097,171.80

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Solution

The fourth proportional to 1,768,961,555.40, 2,643,080,000.73 and 1,707,097,171.80 is: 2,550,645,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,961,555.40 : 2,643,080,000.73 = 1,707,097,171.80 : x
  2. Step 2: Convert to fraction form
    1,768,961,555.40/2,643,080,000.73 = 1,707,097,171.80/x
  3. Step 3: Cross multiply
    1,768,961,555.40x = 2,643,080,000.73 × 1,707,097,171.80
  4. Step 4: Simplify right side
    1,768,961,555.40x = 4,511,994,394,087,324,672
  5. Step 5: Solve for x
    x = 4,511,994,394,087,324,672/1,768,961,555.40
  6. Step 6: Final answer
    x = 2,550,645,818.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.