Home / 822,388,622.20-1,233,582,933.30-786,108,916.60

Finding the Fourth Proportional to 822,388,622.20, 1,233,582,933.30 and 786,108,916.60

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Solution

The fourth proportional to 822,388,622.20, 1,233,582,933.30 and 786,108,916.60 is: 1,179,163,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,388,622.20 : 1,233,582,933.30 = 786,108,916.60 : x
  2. Step 2: Convert to fraction form
    822,388,622.20/1,233,582,933.30 = 786,108,916.60/x
  3. Step 3: Cross multiply
    822,388,622.20x = 1,233,582,933.30 × 786,108,916.60
  4. Step 4: Simplify right side
    822,388,622.20x = 969,730,543,232,713,088
  5. Step 5: Solve for x
    x = 969,730,543,232,713,088/822,388,622.20
  6. Step 6: Final answer
    x = 1,179,163,374.90

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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.