Home / 995,328,763.70-1,492,993,145.55-305,342,510.90

Finding the Fourth Proportional to 995,328,763.70, 1,492,993,145.55 and 305,342,510.90

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Solution

The fourth proportional to 995,328,763.70, 1,492,993,145.55 and 305,342,510.90 is: 458,013,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,763.70 : 1,492,993,145.55 = 305,342,510.90 : x
  2. Step 2: Convert to fraction form
    995,328,763.70/1,492,993,145.55 = 305,342,510.90/x
  3. Step 3: Cross multiply
    995,328,763.70x = 1,492,993,145.55 × 305,342,510.90
  4. Step 4: Simplify right side
    995,328,763.70x = 455,874,275,818,726,080
  5. Step 5: Solve for x
    x = 455,874,275,818,726,080/995,328,763.70
  6. Step 6: Final answer
    x = 458,013,766.35

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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.