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Finding the Fourth Proportional to 995,328,345.80, 1,492,992,518.70 and 898,582,464.20

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Solution

The fourth proportional to 995,328,345.80, 1,492,992,518.70 and 898,582,464.20 is: 1,347,873,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,345.80 : 1,492,992,518.70 = 898,582,464.20 : x
  2. Step 2: Convert to fraction form
    995,328,345.80/1,492,992,518.70 = 898,582,464.20/x
  3. Step 3: Cross multiply
    995,328,345.80x = 1,492,992,518.70 × 898,582,464.20
  4. Step 4: Simplify right side
    995,328,345.80x = 1,341,576,896,485,610,752
  5. Step 5: Solve for x
    x = 1,341,576,896,485,610,752/995,328,345.80
  6. Step 6: Final answer
    x = 1,347,873,696.30

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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.