Finding the Fourth Proportional to 2,599,986,486.32, 3,587,988,164.64 and 1,410,555,393.44
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Solution
The fourth proportional to 2,599,986,486.32, 3,587,988,164.64 and 1,410,555,393.44 is: 1,946,570,139.45
Step by Step Solution
- Step 1: Write the proportion equation
2,599,986,486.32 : 3,587,988,164.64 = 1,410,555,393.44 : x - Step 2: Convert to fraction form
2,599,986,486.32/3,587,988,164.64 = 1,410,555,393.44/x - Step 3: Cross multiply
2,599,986,486.32x = 3,587,988,164.64 × 1,410,555,393.44 - Step 4: Simplify right side
2,599,986,486.32x = 5,061,056,057,231,838,208 - Step 5: Solve for x
x = 5,061,056,057,231,838,208/2,599,986,486.32 - Step 6: Final answer
x = 1,946,570,139.45
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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.