Home / 1,231,714,603.92-1,699,774,315.07-667,199,485.56

Finding the Fourth Proportional to 1,231,714,603.92, 1,699,774,315.07 and 667,199,485.56

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Solution

The fourth proportional to 1,231,714,603.92, 1,699,774,315.07 and 667,199,485.56 is: 920,739,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,714,603.92 : 1,699,774,315.07 = 667,199,485.56 : x
  2. Step 2: Convert to fraction form
    1,231,714,603.92/1,699,774,315.07 = 667,199,485.56/x
  3. Step 3: Cross multiply
    1,231,714,603.92x = 1,699,774,315.07 × 667,199,485.56
  4. Step 4: Simplify right side
    1,231,714,603.92x = 1,134,088,548,579,469,312
  5. Step 5: Solve for x
    x = 1,134,088,548,579,469,312/1,231,714,603.92
  6. Step 6: Final answer
    x = 920,739,711.11

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Double scale
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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.