Finding the Fourth Proportional to 330,736,454.19, 496,104,681.12 and 123,491,049.63
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Solution
The fourth proportional to 330,736,454.19, 496,104,681.12 and 123,491,049.63 is: 185,236,574.38
Step by Step Solution
- Step 1: Write the proportion equation
330,736,454.19 : 496,104,681.12 = 123,491,049.63 : x - Step 2: Convert to fraction form
330,736,454.19/496,104,681.12 = 123,491,049.63/x - Step 3: Cross multiply
330,736,454.19x = 496,104,681.12 × 123,491,049.63 - Step 4: Simplify right side
330,736,454.19x = 61,264,487,797,865,240 - Step 5: Solve for x
x = 61,264,487,797,865,240/330,736,454.19 - Step 6: Final answer
x = 185,236,574.38
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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.