Finding the Fourth Proportional to 1,587,330,325.99, 2,381,088,159.01 and 481,971,243.31
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Solution
The fourth proportional to 1,587,330,325.99, 2,381,088,159.01 and 481,971,243.31 is: 722,985,002.96
Step by Step Solution
- Step 1: Write the proportion equation
1,587,330,325.99 : 2,381,088,159.01 = 481,971,243.31 : x - Step 2: Convert to fraction form
1,587,330,325.99/2,381,088,159.01 = 481,971,243.31/x - Step 3: Cross multiply
1,587,330,325.99x = 2,381,088,159.01 × 481,971,243.31 - Step 4: Simplify right side
1,587,330,325.99x = 1,147,616,020,436,848,128 - Step 5: Solve for x
x = 1,147,616,020,436,848,128/1,587,330,325.99 - Step 6: Final answer
x = 722,985,002.96
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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.