Finding the Fourth Proportional to 1,348,183,977,245.70, 1,860,632,557,385.10 and 820,270,853,294.46
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Solution
The fourth proportional to 1,348,183,977,245.70, 1,860,632,557,385.10 and 820,270,853,294.46 is: 1,132,058,147,309.95
Step by Step Solution
- Step 1: Write the proportion equation
1,348,183,977,245.70 : 1,860,632,557,385.10 = 820,270,853,294.46 : x - Step 2: Convert to fraction form
1,348,183,977,245.70/1,860,632,557,385.10 = 820,270,853,294.46/x - Step 3: Cross multiply
1,348,183,977,245.70x = 1,860,632,557,385.10 × 820,270,853,294.46 - Step 4: Simplify right side
1,348,183,977,245.70x = 1,526,222,655,513,729,387,462,656 - Step 5: Solve for x
x = 1,526,222,655,513,729,387,462,656/1,348,183,977,245.70 - Step 6: Final answer
x = 1,132,058,147,309.95
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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.