Finding the Fourth Proportional to 286,897,302.70, 430,345,939.65 and 272,957,612.14
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Solution
The fourth proportional to 286,897,302.70, 430,345,939.65 and 272,957,612.14 is: 409,436,404.51
Step by Step Solution
- Step 1: Write the proportion equation
286,897,302.70 : 430,345,939.65 = 272,957,612.14 : x - Step 2: Convert to fraction form
286,897,302.70/430,345,939.65 = 272,957,612.14/x - Step 3: Cross multiply
286,897,302.70x = 430,345,939.65 × 272,957,612.14 - Step 4: Simplify right side
286,897,302.70x = 117,466,200,081,008,528 - Step 5: Solve for x
x = 117,466,200,081,008,528/286,897,302.70 - Step 6: Final answer
x = 409,436,404.51
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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.