Home / 995,328,678.20-1,492,993,017.30-930,831,423.80

Finding the Fourth Proportional to 995,328,678.20, 1,492,993,017.30 and 930,831,423.80

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Solution

The fourth proportional to 995,328,678.20, 1,492,993,017.30 and 930,831,423.80 is: 1,396,247,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,678.20 : 1,492,993,017.30 = 930,831,423.80 : x
  2. Step 2: Convert to fraction form
    995,328,678.20/1,492,993,017.30 = 930,831,423.80/x
  3. Step 3: Cross multiply
    995,328,678.20x = 1,492,993,017.30 × 930,831,423.80
  4. Step 4: Simplify right side
    995,328,678.20x = 1,389,724,816,016,816,896
  5. Step 5: Solve for x
    x = 1,389,724,816,016,816,896/995,328,678.20
  6. Step 6: Final answer
    x = 1,396,247,135.70

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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.