Finding the Fourth Proportional to 722,153,214.47, 1,082,473,789.65 and 302,215,187.68
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Solution
The fourth proportional to 722,153,214.47, 1,082,473,789.65 and 302,215,187.68 is: 453,006,388.31
Step by Step Solution
- Step 1: Write the proportion equation
722,153,214.47 : 1,082,473,789.65 = 302,215,187.68 : x - Step 2: Convert to fraction form
722,153,214.47/1,082,473,789.65 = 302,215,187.68/x - Step 3: Cross multiply
722,153,214.47x = 1,082,473,789.65 × 302,215,187.68 - Step 4: Simplify right side
722,153,214.47x = 327,140,019,495,049,472 - Step 5: Solve for x
x = 327,140,019,495,049,472/722,153,214.47 - Step 6: Final answer
x = 453,006,388.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.