Finding the Fourth Proportional to 293,511,415.36, 440,387,806.72 and 129,662,697.28
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Solution
The fourth proportional to 293,511,415.36, 440,387,806.72 and 129,662,697.28 is: 194,547,359.59
Step by Step Solution
- Step 1: Write the proportion equation
293,511,415.36 : 440,387,806.72 = 129,662,697.28 : x - Step 2: Convert to fraction form
293,511,415.36/440,387,806.72 = 129,662,697.28/x - Step 3: Cross multiply
293,511,415.36x = 440,387,806.72 × 129,662,697.28 - Step 4: Simplify right side
293,511,415.36x = 57,101,870,868,538,512 - Step 5: Solve for x
x = 57,101,870,868,538,512/293,511,415.36 - Step 6: Final answer
x = 194,547,359.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.