Home / 1,166,003,451.38-1,749,005,177.13-389,649,112.08

Finding the Fourth Proportional to 1,166,003,451.38, 1,749,005,177.13 and 389,649,112.08

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Solution

The fourth proportional to 1,166,003,451.38, 1,749,005,177.13 and 389,649,112.08 is: 584,473,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,003,451.38 : 1,749,005,177.13 = 389,649,112.08 : x
  2. Step 2: Convert to fraction form
    1,166,003,451.38/1,749,005,177.13 = 389,649,112.08/x
  3. Step 3: Cross multiply
    1,166,003,451.38x = 1,749,005,177.13 × 389,649,112.08
  4. Step 4: Simplify right side
    1,166,003,451.38x = 681,498,314,292,027,648
  5. Step 5: Solve for x
    x = 681,498,314,292,027,648/1,166,003,451.38
  6. Step 6: Final answer
    x = 584,473,668.14

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Double scale
Find fourth proportional to 1,166,003,452.38, 1,749,005,178.63 and 389,649,113.08
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.