Home / 1,435,008,611.46-1,980,311,867.36-774,958,889.46

Finding the Fourth Proportional to 1,435,008,611.46, 1,980,311,867.36 and 774,958,889.46

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Solution

The fourth proportional to 1,435,008,611.46, 1,980,311,867.36 and 774,958,889.46 is: 1,069,443,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,008,611.46 : 1,980,311,867.36 = 774,958,889.46 : x
  2. Step 2: Convert to fraction form
    1,435,008,611.46/1,980,311,867.36 = 774,958,889.46/x
  3. Step 3: Cross multiply
    1,435,008,611.46x = 1,980,311,867.36 × 774,958,889.46
  4. Step 4: Simplify right side
    1,435,008,611.46x = 1,534,660,285,509,889,792
  5. Step 5: Solve for x
    x = 1,534,660,285,509,889,792/1,435,008,611.46
  6. Step 6: Final answer
    x = 1,069,443,258.57

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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.