Home / 1,898,864,537.64-2,620,398,378.78-1,052,088,770.76

Finding the Fourth Proportional to 1,898,864,537.64, 2,620,398,378.78 and 1,052,088,770.76

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Solution

The fourth proportional to 1,898,864,537.64, 2,620,398,378.78 and 1,052,088,770.76 is: 1,451,863,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,864,537.64 : 2,620,398,378.78 = 1,052,088,770.76 : x
  2. Step 2: Convert to fraction form
    1,898,864,537.64/2,620,398,378.78 = 1,052,088,770.76/x
  3. Step 3: Cross multiply
    1,898,864,537.64x = 2,620,398,378.78 × 1,052,088,770.76
  4. Step 4: Simplify right side
    1,898,864,537.64x = 2,756,891,709,232,147,456
  5. Step 5: Solve for x
    x = 2,756,891,709,232,147,456/1,898,864,537.64
  6. Step 6: Final answer
    x = 1,451,863,287.02

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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.