Home / 2,085,709,844.64-2,878,526,337.23-1,238,940,512.56

Finding the Fourth Proportional to 2,085,709,844.64, 2,878,526,337.23 and 1,238,940,512.56

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Solution

The fourth proportional to 2,085,709,844.64, 2,878,526,337.23 and 1,238,940,512.56 is: 1,709,884,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,709,844.64 : 2,878,526,337.23 = 1,238,940,512.56 : x
  2. Step 2: Convert to fraction form
    2,085,709,844.64/2,878,526,337.23 = 1,238,940,512.56/x
  3. Step 3: Cross multiply
    2,085,709,844.64x = 2,878,526,337.23 × 1,238,940,512.56
  4. Step 4: Simplify right side
    2,085,709,844.64x = 3,566,322,895,671,747,072
  5. Step 5: Solve for x
    x = 3,566,322,895,671,747,072/2,085,709,844.64
  6. Step 6: Final answer
    x = 1,709,884,481.21

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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.