Home / 1,335,588,919.80-2,003,383,379.70-1,121,311,908.60

Finding the Fourth Proportional to 1,335,588,919.80, 2,003,383,379.70 and 1,121,311,908.60

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Solution

The fourth proportional to 1,335,588,919.80, 2,003,383,379.70 and 1,121,311,908.60 is: 1,681,967,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,588,919.80 : 2,003,383,379.70 = 1,121,311,908.60 : x
  2. Step 2: Convert to fraction form
    1,335,588,919.80/2,003,383,379.70 = 1,121,311,908.60/x
  3. Step 3: Cross multiply
    1,335,588,919.80x = 2,003,383,379.70 × 1,121,311,908.60
  4. Step 4: Simplify right side
    1,335,588,919.80x = 2,246,417,641,148,925,440
  5. Step 5: Solve for x
    x = 2,246,417,641,148,925,440/1,335,588,919.80
  6. Step 6: Final answer
    x = 1,681,967,862.90

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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.