Home / 1,890,533,725.60-2,609,165,315.66-1,075,993,185.68

Finding the Fourth Proportional to 1,890,533,725.60, 2,609,165,315.66 and 1,075,993,185.68

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Solution

The fourth proportional to 1,890,533,725.60, 2,609,165,315.66 and 1,075,993,185.68 is: 1,485,000,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,533,725.60 : 2,609,165,315.66 = 1,075,993,185.68 : x
  2. Step 2: Convert to fraction form
    1,890,533,725.60/2,609,165,315.66 = 1,075,993,185.68/x
  3. Step 3: Cross multiply
    1,890,533,725.60x = 2,609,165,315.66 × 1,075,993,185.68
  4. Step 4: Simplify right side
    1,890,533,725.60x = 2,807,444,099,952,410,112
  5. Step 5: Solve for x
    x = 2,807,444,099,952,410,112/1,890,533,725.60
  6. Step 6: Final answer
    x = 1,485,000,802.65

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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.