Home / 3,915,314,186.83-5,403,276,137.96-2,131,081,400.77

Finding the Fourth Proportional to 3,915,314,186.83, 5,403,276,137.96 and 2,131,081,400.77

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Solution

The fourth proportional to 3,915,314,186.83, 5,403,276,137.96 and 2,131,081,400.77 is: 2,940,969,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,314,186.83 : 5,403,276,137.96 = 2,131,081,400.77 : x
  2. Step 2: Convert to fraction form
    3,915,314,186.83/5,403,276,137.96 = 2,131,081,400.77/x
  3. Step 3: Cross multiply
    3,915,314,186.83x = 5,403,276,137.96 × 2,131,081,400.77
  4. Step 4: Simplify right side
    3,915,314,186.83x = 11,514,821,280,820,256,768
  5. Step 5: Solve for x
    x = 11,514,821,280,820,256,768/3,915,314,186.83
  6. Step 6: Final answer
    x = 2,940,969,927.66

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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.