Finding the Fourth Proportional to 713,749,192.62, 1,070,381,326.16 and 247,301,753.88
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Solution
The fourth proportional to 713,749,192.62, 1,070,381,326.16 and 247,301,753.88 is: 370,868,621.66
Step by Step Solution
- Step 1: Write the proportion equation
713,749,192.62 : 1,070,381,326.16 = 247,301,753.88 : x - Step 2: Convert to fraction form
713,749,192.62/1,070,381,326.16 = 247,301,753.88/x - Step 3: Cross multiply
713,749,192.62x = 1,070,381,326.16 × 247,301,753.88 - Step 4: Simplify right side
713,749,192.62x = 264,707,179,279,768,320 - Step 5: Solve for x
x = 264,707,179,279,768,320/713,749,192.62 - Step 6: Final answer
x = 370,868,621.66
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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.