Home / 2,825,970,581.19-3,899,768,124.36-1,555,798,884.27

Finding the Fourth Proportional to 2,825,970,581.19, 3,899,768,124.36 and 1,555,798,884.27

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Solution

The fourth proportional to 2,825,970,581.19, 3,899,768,124.36 and 1,555,798,884.27 is: 2,146,963,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,970,581.19 : 3,899,768,124.36 = 1,555,798,884.27 : x
  2. Step 2: Convert to fraction form
    2,825,970,581.19/3,899,768,124.36 = 1,555,798,884.27/x
  3. Step 3: Cross multiply
    2,825,970,581.19x = 3,899,768,124.36 × 1,555,798,884.27
  4. Step 4: Simplify right side
    2,825,970,581.19x = 6,067,254,896,790,999,040
  5. Step 5: Solve for x
    x = 6,067,254,896,790,999,040/2,825,970,581.19
  6. Step 6: Final answer
    x = 2,146,963,219.35

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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.