Home / 1,121,009,455.80-1,681,514,183.70-1,114,552,447.65

Finding the Fourth Proportional to 1,121,009,455.80, 1,681,514,183.70 and 1,114,552,447.65

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Solution

The fourth proportional to 1,121,009,455.80, 1,681,514,183.70 and 1,114,552,447.65 is: 1,671,828,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,009,455.80 : 1,681,514,183.70 = 1,114,552,447.65 : x
  2. Step 2: Convert to fraction form
    1,121,009,455.80/1,681,514,183.70 = 1,114,552,447.65/x
  3. Step 3: Cross multiply
    1,121,009,455.80x = 1,681,514,183.70 × 1,114,552,447.65
  4. Step 4: Simplify right side
    1,121,009,455.80x = 1,874,135,749,201,027,072
  5. Step 5: Solve for x
    x = 1,874,135,749,201,027,072/1,121,009,455.80
  6. Step 6: Final answer
    x = 1,671,828,671.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.