Home / 12,583,889,639.21-18,878,321,065.52-4,616,131,873.25

Finding the Fourth Proportional to 12,583,889,639.21, 18,878,321,065.52 and 4,616,131,873.25

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Solution

The fourth proportional to 12,583,889,639.21, 18,878,321,065.52 and 4,616,131,873.25 is: 6,925,109,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583,889,639.21 : 18,878,321,065.52 = 4,616,131,873.25 : x
  2. Step 2: Convert to fraction form
    12,583,889,639.21/18,878,321,065.52 = 4,616,131,873.25/x
  3. Step 3: Cross multiply
    12,583,889,639.21x = 18,878,321,065.52 × 4,616,131,873.25
  4. Step 4: Simplify right side
    12,583,889,639.21x = 87,144,819,583,876,300,800
  5. Step 5: Solve for x
    x = 87,144,819,583,876,300,800/12,583,889,639.21
  6. Step 6: Final answer
    x = 6,925,109,968.57

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1.5x scale

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.