Finding the Fourth Proportional to 299,383,711.70, 449,075,567.55 and 169,941,305.30
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Solution
The fourth proportional to 299,383,711.70, 449,075,567.55 and 169,941,305.30 is: 254,911,957.95
Step by Step Solution
- Step 1: Write the proportion equation
299,383,711.70 : 449,075,567.55 = 169,941,305.30 : x - Step 2: Convert to fraction form
299,383,711.70/449,075,567.55 = 169,941,305.30/x - Step 3: Cross multiply
299,383,711.70x = 449,075,567.55 × 169,941,305.30 - Step 4: Simplify right side
299,383,711.70x = 76,316,488,127,785,328 - Step 5: Solve for x
x = 76,316,488,127,785,328/299,383,711.70 - Step 6: Final answer
x = 254,911,957.95
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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.