Finding the Fourth Proportional to 532,125,996.28, 729,000,428.63 and 512,230,875.05
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Solution
The fourth proportional to 532,125,996.28, 729,000,428.63 and 512,230,875.05 is: 701,744,568.16
Step by Step Solution
- Step 1: Write the proportion equation
532,125,996.28 : 729,000,428.63 = 512,230,875.05 : x - Step 2: Convert to fraction form
532,125,996.28/729,000,428.63 = 512,230,875.05/x - Step 3: Cross multiply
532,125,996.28x = 729,000,428.63 × 512,230,875.05 - Step 4: Simplify right side
532,125,996.28x = 373,416,527,464,148,928 - Step 5: Solve for x
x = 373,416,527,464,148,928/532,125,996.28 - Step 6: Final answer
x = 701,744,568.16
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.