Home / 1,012,989,219.61-1,397,968,812.31-560,867,183.30

Finding the Fourth Proportional to 1,012,989,219.61, 1,397,968,812.31 and 560,867,183.30

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Solution

The fourth proportional to 1,012,989,219.61, 1,397,968,812.31 and 560,867,183.30 is: 774,020,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,989,219.61 : 1,397,968,812.31 = 560,867,183.30 : x
  2. Step 2: Convert to fraction form
    1,012,989,219.61/1,397,968,812.31 = 560,867,183.30/x
  3. Step 3: Cross multiply
    1,012,989,219.61x = 1,397,968,812.31 × 560,867,183.30
  4. Step 4: Simplify right side
    1,012,989,219.61x = 784,074,830,093,163,904
  5. Step 5: Solve for x
    x = 784,074,830,093,163,904/1,012,989,219.61
  6. Step 6: Final answer
    x = 774,020,902.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.