Home / 1,611,193,742,989.80-2,223,436,054,390.40-879,582,149,536.95

Finding the Fourth Proportional to 1,611,193,742,989.80, 2,223,436,054,390.40 and 879,582,149,536.95

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Solution

The fourth proportional to 1,611,193,742,989.80, 2,223,436,054,390.40 and 879,582,149,536.95 is: 1,213,817,191,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,193,742,989.80 : 2,223,436,054,390.40 = 879,582,149,536.95 : x
  2. Step 2: Convert to fraction form
    1,611,193,742,989.80/2,223,436,054,390.40 = 879,582,149,536.95/x
  3. Step 3: Cross multiply
    1,611,193,742,989.80x = 2,223,436,054,390.40 × 879,582,149,536.95
  4. Step 4: Simplify right side
    1,611,193,742,989.80x = 1,955,694,664,078,662,664,454,144
  5. Step 5: Solve for x
    x = 1,955,694,664,078,662,664,454,144/1,611,193,742,989.80
  6. Step 6: Final answer
    x = 1,213,817,191,500.25

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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.