Home / 12,629,722,340,490-18,911,956,609,888-8,716,599,054,271.40

Finding the Fourth Proportional to 12,629,722,340,490, 18,911,956,609,888 and 8,716,599,054,271.40

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Solution

The fourth proportional to 12,629,722,340,490, 18,911,956,609,888 and 8,716,599,054,271.40 is: 13,052,380,618,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629,722,340,490 : 18,911,956,609,888 = 8,716,599,054,271.40 : x
  2. Step 2: Convert to fraction form
    12,629,722,340,490/18,911,956,609,888 = 8,716,599,054,271.40/x
  3. Step 3: Cross multiply
    12,629,722,340,490x = 18,911,956,609,888 × 8,716,599,054,271.40
  4. Step 4: Simplify right side
    12,629,722,340,490x = 164,847,943,100,171,503,710,240,768
  5. Step 5: Solve for x
    x = 164,847,943,100,171,503,710,240,768/12,629,722,340,490
  6. Step 6: Final answer
    x = 13,052,380,618,984.84

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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.