Home / 1,166,003,453.63-1,749,005,180.51-389,649,114.33

Finding the Fourth Proportional to 1,166,003,453.63, 1,749,005,180.51 and 389,649,114.33

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Solution

The fourth proportional to 1,166,003,453.63, 1,749,005,180.51 and 389,649,114.33 is: 584,473,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,003,453.63 : 1,749,005,180.51 = 389,649,114.33 : x
  2. Step 2: Convert to fraction form
    1,166,003,453.63/1,749,005,180.51 = 389,649,114.33/x
  3. Step 3: Cross multiply
    1,166,003,453.63x = 1,749,005,180.51 × 389,649,114.33
  4. Step 4: Simplify right side
    1,166,003,453.63x = 681,498,319,542,355,072
  5. Step 5: Solve for x
    x = 681,498,319,542,355,072/1,166,003,453.63
  6. Step 6: Final answer
    x = 584,473,671.52

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Half scale
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Double scale
Find fourth proportional to 1,166,003,454.63, 1,749,005,182.01 and 389,649,115.33
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.