Finding the Fourth Proportional to 5,624,436,147.54, 8,438,292,386.37 and 2,518,292,376.78
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Solution
The fourth proportional to 5,624,436,147.54, 8,438,292,386.37 and 2,518,292,376.78 is: 3,778,172,039.33
Step by Step Solution
- Step 1: Write the proportion equation
5,624,436,147.54 : 8,438,292,386.37 = 2,518,292,376.78 : x - Step 2: Convert to fraction form
5,624,436,147.54/8,438,292,386.37 = 2,518,292,376.78/x - Step 3: Cross multiply
5,624,436,147.54x = 8,438,292,386.37 × 2,518,292,376.78 - Step 4: Simplify right side
5,624,436,147.54x = 21,250,087,389,636,288,512 - Step 5: Solve for x
x = 21,250,087,389,636,288,512/5,624,436,147.54 - Step 6: Final answer
x = 3,778,172,039.33
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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.