Finding the Fourth Proportional to 351,366,216.08, 484,885,423.34 and 194,743,434.56
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Solution
The fourth proportional to 351,366,216.08, 484,885,423.34 and 194,743,434.56 is: 268,745,964.71
Step by Step Solution
- Step 1: Write the proportion equation
351,366,216.08 : 484,885,423.34 = 194,743,434.56 : x - Step 2: Convert to fraction form
351,366,216.08/484,885,423.34 = 194,743,434.56/x - Step 3: Cross multiply
351,366,216.08x = 484,885,423.34 × 194,743,434.56 - Step 4: Simplify right side
351,366,216.08x = 94,428,252,705,913,040 - Step 5: Solve for x
x = 94,428,252,705,913,040/351,366,216.08 - Step 6: Final answer
x = 268,745,964.71
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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.