Home / 1,187,795,007.60-1,781,692,511.40-881,684,991.60

Finding the Fourth Proportional to 1,187,795,007.60, 1,781,692,511.40 and 881,684,991.60

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Solution

The fourth proportional to 1,187,795,007.60, 1,781,692,511.40 and 881,684,991.60 is: 1,322,527,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,795,007.60 : 1,781,692,511.40 = 881,684,991.60 : x
  2. Step 2: Convert to fraction form
    1,187,795,007.60/1,781,692,511.40 = 881,684,991.60/x
  3. Step 3: Cross multiply
    1,187,795,007.60x = 1,781,692,511.40 × 881,684,991.60
  4. Step 4: Simplify right side
    1,187,795,007.60x = 1,570,891,546,947,492,096
  5. Step 5: Solve for x
    x = 1,570,891,546,947,492,096/1,187,795,007.60
  6. Step 6: Final answer
    x = 1,322,527,487.40

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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.