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Finding the Fourth Proportional to 995,359,582.20, 1,493,039,373.30 and 834,116,446.20

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Solution

The fourth proportional to 995,359,582.20, 1,493,039,373.30 and 834,116,446.20 is: 1,251,174,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,359,582.20 : 1,493,039,373.30 = 834,116,446.20 : x
  2. Step 2: Convert to fraction form
    995,359,582.20/1,493,039,373.30 = 834,116,446.20/x
  3. Step 3: Cross multiply
    995,359,582.20x = 1,493,039,373.30 × 834,116,446.20
  4. Step 4: Simplify right side
    995,359,582.20x = 1,245,368,696,093,671,168
  5. Step 5: Solve for x
    x = 1,245,368,696,093,671,168/995,359,582.20
  6. Step 6: Final answer
    x = 1,251,174,669.30

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Double scale
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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.