Finding the Fourth Proportional to 1,614,834,482.14, 2,228,472,561.90 and 872,278,872.94
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Solution
The fourth proportional to 1,614,834,482.14, 2,228,472,561.90 and 872,278,872.94 is: 1,203,745,372.15
Step by Step Solution
- Step 1: Write the proportion equation
1,614,834,482.14 : 2,228,472,561.90 = 872,278,872.94 : x - Step 2: Convert to fraction form
1,614,834,482.14/2,228,472,561.90 = 872,278,872.94/x - Step 3: Cross multiply
1,614,834,482.14x = 2,228,472,561.90 × 872,278,872.94 - Step 4: Simplify right side
1,614,834,482.14x = 1,943,849,534,671,846,656 - Step 5: Solve for x
x = 1,943,849,534,671,846,656/1,614,834,482.14 - Step 6: Final answer
x = 1,203,745,372.15
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1.5x scale
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.