Home / 1,259,713,505.70-1,889,570,258.55-1,098,470,369.70

Finding the Fourth Proportional to 1,259,713,505.70, 1,889,570,258.55 and 1,098,470,369.70

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Solution

The fourth proportional to 1,259,713,505.70, 1,889,570,258.55 and 1,098,470,369.70 is: 1,647,705,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,713,505.70 : 1,889,570,258.55 = 1,098,470,369.70 : x
  2. Step 2: Convert to fraction form
    1,259,713,505.70/1,889,570,258.55 = 1,098,470,369.70/x
  3. Step 3: Cross multiply
    1,259,713,505.70x = 1,889,570,258.55 × 1,098,470,369.70
  4. Step 4: Simplify right side
    1,259,713,505.70x = 2,075,636,940,483,543,040
  5. Step 5: Solve for x
    x = 2,075,636,940,483,543,040/1,259,713,505.70
  6. Step 6: Final answer
    x = 1,647,705,554.55

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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.