Finding the Fourth Proportional to 351,366,214.57, 484,885,421.27 and 194,743,433.05
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Solution
The fourth proportional to 351,366,214.57, 484,885,421.27 and 194,743,433.05 is: 268,745,962.64
Step by Step Solution
- Step 1: Write the proportion equation
351,366,214.57 : 484,885,421.27 = 194,743,433.05 : x - Step 2: Convert to fraction form
351,366,214.57/484,885,421.27 = 194,743,433.05/x - Step 3: Cross multiply
351,366,214.57x = 484,885,421.27 × 194,743,433.05 - Step 4: Simplify right side
351,366,214.57x = 94,428,251,572,559,664 - Step 5: Solve for x
x = 94,428,251,572,559,664/351,366,214.57 - Step 6: Final answer
x = 268,745,962.64
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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.