Finding the Fourth Proportional to 378,534,428.28, 568,001,691.12 and 268,580,691.36
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Solution
The fourth proportional to 378,534,428.28, 568,001,691.12 and 268,580,691.36 is: 403,012,977.15
Step by Step Solution
- Step 1: Write the proportion equation
378,534,428.28 : 568,001,691.12 = 268,580,691.36 : x - Step 2: Convert to fraction form
378,534,428.28/568,001,691.12 = 268,580,691.36/x - Step 3: Cross multiply
378,534,428.28x = 568,001,691.12 × 268,580,691.36 - Step 4: Simplify right side
378,534,428.28x = 152,554,286,894,658,784 - Step 5: Solve for x
x = 152,554,286,894,658,784/378,534,428.28 - Step 6: Final answer
x = 403,012,977.15
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