Finding the Fourth Proportional to 1,956,555,822.48, 2,699,017,930.80 and 1,163,037,378.48
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Solution
The fourth proportional to 1,956,555,822.48, 2,699,017,930.80 and 1,163,037,378.48 is: 1,604,379,850.88
Step by Step Solution
- Step 1: Write the proportion equation
1,956,555,822.48 : 2,699,017,930.80 = 1,163,037,378.48 : x - Step 2: Convert to fraction form
1,956,555,822.48/2,699,017,930.80 = 1,163,037,378.48/x - Step 3: Cross multiply
1,956,555,822.48x = 2,699,017,930.80 × 1,163,037,378.48 - Step 4: Simplify right side
1,956,555,822.48x = 3,139,058,738,708,146,176 - Step 5: Solve for x
x = 3,139,058,738,708,146,176/1,956,555,822.48 - Step 6: Final answer
x = 1,604,379,850.88
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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.