Home / 1,435,004,072.40-1,980,305,644.80-774,954,350.40

Finding the Fourth Proportional to 1,435,004,072.40, 1,980,305,644.80 and 774,954,350.40

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Solution

The fourth proportional to 1,435,004,072.40, 1,980,305,644.80 and 774,954,350.40 is: 1,069,437,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,004,072.40 : 1,980,305,644.80 = 774,954,350.40 : x
  2. Step 2: Convert to fraction form
    1,435,004,072.40/1,980,305,644.80 = 774,954,350.40/x
  3. Step 3: Cross multiply
    1,435,004,072.40x = 1,980,305,644.80 × 774,954,350.40
  4. Step 4: Simplify right side
    1,435,004,072.40x = 1,534,646,474,559,437,056
  5. Step 5: Solve for x
    x = 1,534,646,474,559,437,056/1,435,004,072.40
  6. Step 6: Final answer
    x = 1,069,437,016.99

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1.5x scale

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.