Home / 2,631,038,684.16-3,946,800,622.88-860,418,587.60

Finding the Fourth Proportional to 2,631,038,684.16, 3,946,800,622.88 and 860,418,587.60

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Solution

The fourth proportional to 2,631,038,684.16, 3,946,800,622.88 and 860,418,587.60 is: 1,290,707,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,038,684.16 : 3,946,800,622.88 = 860,418,587.60 : x
  2. Step 2: Convert to fraction form
    2,631,038,684.16/3,946,800,622.88 = 860,418,587.60/x
  3. Step 3: Cross multiply
    2,631,038,684.16x = 3,946,800,622.88 × 860,418,587.60
  4. Step 4: Simplify right side
    2,631,038,684.16x = 3,395,900,617,477,210,112
  5. Step 5: Solve for x
    x = 3,395,900,617,477,210,112/2,631,038,684.16
  6. Step 6: Final answer
    x = 1,290,707,216.86

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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.