Home / 1,012,989,374.66-1,397,969,027.28-560,867,339.54

Finding the Fourth Proportional to 1,012,989,374.66, 1,397,969,027.28 and 560,867,339.54

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Solution

The fourth proportional to 1,012,989,374.66, 1,397,969,027.28 and 560,867,339.54 is: 774,021,118.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,989,374.66 : 1,397,969,027.28 = 560,867,339.54 : x
  2. Step 2: Convert to fraction form
    1,012,989,374.66/1,397,969,027.28 = 560,867,339.54/x
  3. Step 3: Cross multiply
    1,012,989,374.66x = 1,397,969,027.28 × 560,867,339.54
  4. Step 4: Simplify right side
    1,012,989,374.66x = 784,075,169,093,350,272
  5. Step 5: Solve for x
    x = 784,075,169,093,350,272/1,012,989,374.66
  6. Step 6: Final answer
    x = 774,021,118.78

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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.