Finding the Fourth Proportional to 708,589,601.70, 1,062,884,402.55 and 663,239,969.70
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Solution
The fourth proportional to 708,589,601.70, 1,062,884,402.55 and 663,239,969.70 is: 994,859,954.55
Step by Step Solution
- Step 1: Write the proportion equation
708,589,601.70 : 1,062,884,402.55 = 663,239,969.70 : x - Step 2: Convert to fraction form
708,589,601.70/1,062,884,402.55 = 663,239,969.70/x - Step 3: Cross multiply
708,589,601.70x = 1,062,884,402.55 × 663,239,969.70 - Step 4: Simplify right side
708,589,601.70x = 704,947,418,941,864,576 - Step 5: Solve for x
x = 704,947,418,941,864,576/708,589,601.70 - Step 6: Final answer
x = 994,859,954.55
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Similar ratio
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1.5x scale
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.