Finding the Fourth Proportional to 284,226,536.79, 392,210,729.78 and 160,479,428.31
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Solution
The fourth proportional to 284,226,536.79, 392,210,729.78 and 160,479,428.31 is: 221,449,251.02
Step by Step Solution
- Step 1: Write the proportion equation
284,226,536.79 : 392,210,729.78 = 160,479,428.31 : x - Step 2: Convert to fraction form
284,226,536.79/392,210,729.78 = 160,479,428.31/x - Step 3: Cross multiply
284,226,536.79x = 392,210,729.78 × 160,479,428.31 - Step 4: Simplify right side
284,226,536.79x = 62,941,753,691,339,896 - Step 5: Solve for x
x = 62,941,753,691,339,896/284,226,536.79 - Step 6: Final answer
x = 221,449,251.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.