Finding the Fourth Proportional to 3,533,218,131.98, 4,876,032,768.28 and 2,027,832,447.54
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Solution
The fourth proportional to 3,533,218,131.98, 4,876,032,768.28 and 2,027,832,447.54 is: 2,798,518,827.15
Step by Step Solution
- Step 1: Write the proportion equation
3,533,218,131.98 : 4,876,032,768.28 = 2,027,832,447.54 : x - Step 2: Convert to fraction form
3,533,218,131.98/4,876,032,768.28 = 2,027,832,447.54/x - Step 3: Cross multiply
3,533,218,131.98x = 4,876,032,768.28 × 2,027,832,447.54 - Step 4: Simplify right side
3,533,218,131.98x = 9,887,777,462,786,473,984 - Step 5: Solve for x
x = 9,887,777,462,786,473,984/3,533,218,131.98 - Step 6: Final answer
x = 2,798,518,827.15
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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.