Finding the Fourth Proportional to 447,101,752.05, 617,000,446.28 and 248,858,979.21
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Solution
The fourth proportional to 447,101,752.05, 617,000,446.28 and 248,858,979.21 is: 343,425,407.15
Step by Step Solution
- Step 1: Write the proportion equation
447,101,752.05 : 617,000,446.28 = 248,858,979.21 : x - Step 2: Convert to fraction form
447,101,752.05/617,000,446.28 = 248,858,979.21/x - Step 3: Cross multiply
447,101,752.05x = 617,000,446.28 × 248,858,979.21 - Step 4: Simplify right side
447,101,752.05x = 153,546,101,233,977,408 - Step 5: Solve for x
x = 153,546,101,233,977,408/447,101,752.05 - Step 6: Final answer
x = 343,425,407.15
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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.