Home / 995,328,871.20-1,492,993,306.80-985,773,722.40

Finding the Fourth Proportional to 995,328,871.20, 1,492,993,306.80 and 985,773,722.40

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Solution

The fourth proportional to 995,328,871.20, 1,492,993,306.80 and 985,773,722.40 is: 1,478,660,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,871.20 : 1,492,993,306.80 = 985,773,722.40 : x
  2. Step 2: Convert to fraction form
    995,328,871.20/1,492,993,306.80 = 985,773,722.40/x
  3. Step 3: Cross multiply
    995,328,871.20x = 1,492,993,306.80 × 985,773,722.40
  4. Step 4: Simplify right side
    995,328,871.20x = 1,471,753,569,562,521,088
  5. Step 5: Solve for x
    x = 1,471,753,569,562,521,088/995,328,871.20
  6. Step 6: Final answer
    x = 1,478,660,583.60

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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.