Finding the Fourth Proportional to 1,348,183,977,248.20, 1,860,632,557,388.60 and 820,270,853,296.96
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Solution
The fourth proportional to 1,348,183,977,248.20, 1,860,632,557,388.60 and 820,270,853,296.96 is: 1,132,058,147,313.43
Step by Step Solution
- Step 1: Write the proportion equation
1,348,183,977,248.20 : 1,860,632,557,388.60 = 820,270,853,296.96 : x - Step 2: Convert to fraction form
1,348,183,977,248.20/1,860,632,557,388.60 = 820,270,853,296.96/x - Step 3: Cross multiply
1,348,183,977,248.20x = 1,860,632,557,388.60 × 820,270,853,296.96 - Step 4: Simplify right side
1,348,183,977,248.20x = 1,526,222,655,521,251,754,246,144 - Step 5: Solve for x
x = 1,526,222,655,521,251,754,246,144/1,348,183,977,248.20 - Step 6: Final answer
x = 1,132,058,147,313.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.