Finding the Fourth Proportional to 4,321,456,557.21, 5,960,319,727.23 and 3,719,651,440.14
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Solution
The fourth proportional to 4,321,456,557.21, 5,960,319,727.23 and 3,719,651,440.14 is: 5,130,286,875.17
Step by Step Solution
- Step 1: Write the proportion equation
4,321,456,557.21 : 5,960,319,727.23 = 3,719,651,440.14 : x - Step 2: Convert to fraction form
4,321,456,557.21/5,960,319,727.23 = 3,719,651,440.14/x - Step 3: Cross multiply
4,321,456,557.21x = 5,960,319,727.23 × 3,719,651,440.14 - Step 4: Simplify right side
4,321,456,557.21x = 22,170,311,857,085,919,232 - Step 5: Solve for x
x = 22,170,311,857,085,919,232/4,321,456,557.21 - Step 6: Final answer
x = 5,130,286,875.17
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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.