Home / 995,328,985.20-1,492,993,477.80-268,391,180.40

Finding the Fourth Proportional to 995,328,985.20, 1,492,993,477.80 and 268,391,180.40

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Solution

The fourth proportional to 995,328,985.20, 1,492,993,477.80 and 268,391,180.40 is: 402,586,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,985.20 : 1,492,993,477.80 = 268,391,180.40 : x
  2. Step 2: Convert to fraction form
    995,328,985.20/1,492,993,477.80 = 268,391,180.40/x
  3. Step 3: Cross multiply
    995,328,985.20x = 1,492,993,477.80 × 268,391,180.40
  4. Step 4: Simplify right side
    995,328,985.20x = 400,706,281,836,243,200
  5. Step 5: Solve for x
    x = 400,706,281,836,243,200/995,328,985.20
  6. Step 6: Final answer
    x = 402,586,770.60

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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.