Home / 1,445,273,189.24-1,994,477,001.08-818,741,617.16

Finding the Fourth Proportional to 1,445,273,189.24, 1,994,477,001.08 and 818,741,617.16

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Solution

The fourth proportional to 1,445,273,189.24, 1,994,477,001.08 and 818,741,617.16 is: 1,129,863,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,273,189.24 : 1,994,477,001.08 = 818,741,617.16 : x
  2. Step 2: Convert to fraction form
    1,445,273,189.24/1,994,477,001.08 = 818,741,617.16/x
  3. Step 3: Cross multiply
    1,445,273,189.24x = 1,994,477,001.08 × 818,741,617.16
  4. Step 4: Simplify right side
    1,445,273,189.24x = 1,632,961,325,252,666,112
  5. Step 5: Solve for x
    x = 1,632,961,325,252,666,112/1,445,273,189.24
  6. Step 6: Final answer
    x = 1,129,863,431.64

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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.