Home / 995,329,007.20-1,492,993,510.80-931,628,015.20

Finding the Fourth Proportional to 995,329,007.20, 1,492,993,510.80 and 931,628,015.20

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Solution

The fourth proportional to 995,329,007.20, 1,492,993,510.80 and 931,628,015.20 is: 1,397,442,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,329,007.20 : 1,492,993,510.80 = 931,628,015.20 : x
  2. Step 2: Convert to fraction form
    995,329,007.20/1,492,993,510.80 = 931,628,015.20/x
  3. Step 3: Cross multiply
    995,329,007.20x = 1,492,993,510.80 × 931,628,015.20
  4. Step 4: Simplify right side
    995,329,007.20x = 1,390,914,581,173,083,904
  5. Step 5: Solve for x
    x = 1,390,914,581,173,083,904/995,329,007.20
  6. Step 6: Final answer
    x = 1,397,442,022.80

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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.