Home / 1,412,925,950.44-1,949,881,145.70-786,429,182.44

Finding the Fourth Proportional to 1,412,925,950.44, 1,949,881,145.70 and 786,429,182.44

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Solution

The fourth proportional to 1,412,925,950.44, 1,949,881,145.70 and 786,429,182.44 is: 1,085,296,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,925,950.44 : 1,949,881,145.70 = 786,429,182.44 : x
  2. Step 2: Convert to fraction form
    1,412,925,950.44/1,949,881,145.70 = 786,429,182.44/x
  3. Step 3: Cross multiply
    1,412,925,950.44x = 1,949,881,145.70 × 786,429,182.44
  4. Step 4: Simplify right side
    1,412,925,950.44x = 1,533,443,435,268,021,760
  5. Step 5: Solve for x
    x = 1,533,443,435,268,021,760/1,412,925,950.44
  6. Step 6: Final answer
    x = 1,085,296,391.36

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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.