Home / 995,328,589.20-1,492,992,883.80-989,281,971.60

Finding the Fourth Proportional to 995,328,589.20, 1,492,992,883.80 and 989,281,971.60

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Solution

The fourth proportional to 995,328,589.20, 1,492,992,883.80 and 989,281,971.60 is: 1,483,922,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,589.20 : 1,492,992,883.80 = 989,281,971.60 : x
  2. Step 2: Convert to fraction form
    995,328,589.20/1,492,992,883.80 = 989,281,971.60/x
  3. Step 3: Cross multiply
    995,328,589.20x = 1,492,992,883.80 × 989,281,971.60
  4. Step 4: Simplify right side
    995,328,589.20x = 1,476,990,943,670,433,792
  5. Step 5: Solve for x
    x = 1,476,990,943,670,433,792/995,328,589.20
  6. Step 6: Final answer
    x = 1,483,922,957.40

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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.