Home / 1,328,023,382.40-1,990,334,462.40-1,019,787,602.40

Finding the Fourth Proportional to 1,328,023,382.40, 1,990,334,462.40 and 1,019,787,602.40

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Solution

The fourth proportional to 1,328,023,382.40, 1,990,334,462.40 and 1,019,787,602.40 is: 1,528,375,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,023,382.40 : 1,990,334,462.40 = 1,019,787,602.40 : x
  2. Step 2: Convert to fraction form
    1,328,023,382.40/1,990,334,462.40 = 1,019,787,602.40/x
  3. Step 3: Cross multiply
    1,328,023,382.40x = 1,990,334,462.40 × 1,019,787,602.40
  4. Step 4: Simplify right side
    1,328,023,382.40x = 2,029,718,409,384,988,928
  5. Step 5: Solve for x
    x = 2,029,718,409,384,988,928/1,328,023,382.40
  6. Step 6: Final answer
    x = 1,528,375,506.25

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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.