Home / 1,087,009,636.20-1,628,601,266.70-933,954,628.20

Finding the Fourth Proportional to 1,087,009,636.20, 1,628,601,266.70 and 933,954,628.20

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Solution

The fourth proportional to 1,087,009,636.20, 1,628,601,266.70 and 933,954,628.20 is: 1,399,288,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,009,636.20 : 1,628,601,266.70 = 933,954,628.20 : x
  2. Step 2: Convert to fraction form
    1,087,009,636.20/1,628,601,266.70 = 933,954,628.20/x
  3. Step 3: Cross multiply
    1,087,009,636.20x = 1,628,601,266.70 × 933,954,628.20
  4. Step 4: Simplify right side
    1,087,009,636.20x = 1,521,039,690,526,847,744
  5. Step 5: Solve for x
    x = 1,521,039,690,526,847,744/1,087,009,636.20
  6. Step 6: Final answer
    x = 1,399,288,138.64

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1.5x scale

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.