Home / 3,540,752,298.64-4,886,666,651.12-2,015,211,371.43

Finding the Fourth Proportional to 3,540,752,298.64, 4,886,666,651.12 and 2,015,211,371.43

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Solution

The fourth proportional to 3,540,752,298.64, 4,886,666,651.12 and 2,015,211,371.43 is: 2,781,235,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,752,298.64 : 4,886,666,651.12 = 2,015,211,371.43 : x
  2. Step 2: Convert to fraction form
    3,540,752,298.64/4,886,666,651.12 = 2,015,211,371.43/x
  3. Step 3: Cross multiply
    3,540,752,298.64x = 4,886,666,651.12 × 2,015,211,371.43
  4. Step 4: Simplify right side
    3,540,752,298.64x = 9,847,666,203,732,785,152
  5. Step 5: Solve for x
    x = 9,847,666,203,732,785,152/3,540,752,298.64
  6. Step 6: Final answer
    x = 2,781,235,560.45

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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.