Home / 1,020,002,900.40-1,530,382,264.20-982,211,540.40

Finding the Fourth Proportional to 1,020,002,900.40, 1,530,382,264.20 and 982,211,540.40

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Solution

The fourth proportional to 1,020,002,900.40, 1,530,382,264.20 and 982,211,540.40 is: 1,473,681,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,002,900.40 : 1,530,382,264.20 = 982,211,540.40 : x
  2. Step 2: Convert to fraction form
    1,020,002,900.40/1,530,382,264.20 = 982,211,540.40/x
  3. Step 3: Cross multiply
    1,020,002,900.40x = 1,530,382,264.20 × 982,211,540.40
  4. Step 4: Simplify right side
    1,020,002,900.40x = 1,503,159,121,120,721,664
  5. Step 5: Solve for x
    x = 1,503,159,121,120,721,664/1,020,002,900.40
  6. Step 6: Final answer
    x = 1,473,681,222.41

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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.