Finding the Fourth Proportional to 3,925,322,887.78, 5,888,035,617.72 and 1,305,126,992.68
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Solution
The fourth proportional to 3,925,322,887.78, 5,888,035,617.72 and 1,305,126,992.68 is: 1,957,707,541.07
Step by Step Solution
- Step 1: Write the proportion equation
3,925,322,887.78 : 5,888,035,617.72 = 1,305,126,992.68 : x - Step 2: Convert to fraction form
3,925,322,887.78/5,888,035,617.72 = 1,305,126,992.68/x - Step 3: Cross multiply
3,925,322,887.78x = 5,888,035,617.72 × 1,305,126,992.68 - Step 4: Simplify right side
3,925,322,887.78x = 7,684,634,218,547,630,080 - Step 5: Solve for x
x = 7,684,634,218,547,630,080/3,925,322,887.78 - Step 6: Final answer
x = 1,957,707,541.07
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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.