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Finding the Fourth Proportional to 995,328,743.70, 1,492,993,115.55 and 934,812,801.30

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Solution

The fourth proportional to 995,328,743.70, 1,492,993,115.55 and 934,812,801.30 is: 1,402,219,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,743.70 : 1,492,993,115.55 = 934,812,801.30 : x
  2. Step 2: Convert to fraction form
    995,328,743.70/1,492,993,115.55 = 934,812,801.30/x
  3. Step 3: Cross multiply
    995,328,743.70x = 1,492,993,115.55 × 934,812,801.30
  4. Step 4: Simplify right side
    995,328,743.70x = 1,395,669,076,668,910,080
  5. Step 5: Solve for x
    x = 1,395,669,076,668,910,080/995,328,743.70
  6. Step 6: Final answer
    x = 1,402,219,201.95

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1.5x scale

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.