Finding the Fourth Proportional to 1,163,058,636, 1,744,603,149.88 and 386,704,296.72
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Solution
The fourth proportional to 1,163,058,636, 1,744,603,149.88 and 386,704,296.72 is: 580,061,497.54
Step by Step Solution
- Step 1: Write the proportion equation
1,163,058,636 : 1,744,603,149.88 = 386,704,296.72 : x - Step 2: Convert to fraction form
1,163,058,636/1,744,603,149.88 = 386,704,296.72/x - Step 3: Cross multiply
1,163,058,636x = 1,744,603,149.88 × 386,704,296.72 - Step 4: Simplify right side
1,163,058,636x = 674,645,534,129,842,304 - Step 5: Solve for x
x = 674,645,534,129,842,304/1,163,058,636 - Step 6: Final answer
x = 580,061,497.54
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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.