Home / 1,429,529,382.19-1,972,138,608.73-892,749,150.65

Finding the Fourth Proportional to 1,429,529,382.19, 1,972,138,608.73 and 892,749,150.65

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Solution

The fourth proportional to 1,429,529,382.19, 1,972,138,608.73 and 892,749,150.65 is: 1,231,611,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,529,382.19 : 1,972,138,608.73 = 892,749,150.65 : x
  2. Step 2: Convert to fraction form
    1,429,529,382.19/1,972,138,608.73 = 892,749,150.65/x
  3. Step 3: Cross multiply
    1,429,529,382.19x = 1,972,138,608.73 × 892,749,150.65
  4. Step 4: Simplify right side
    1,429,529,382.19x = 1,760,625,067,913,781,760
  5. Step 5: Solve for x
    x = 1,760,625,067,913,781,760/1,429,529,382.19
  6. Step 6: Final answer
    x = 1,231,611,668.74

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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.