Finding the Fourth Proportional to 3,712,966,389.83, 5,125,226,408.32 and 2,207,589,149.58
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Solution
The fourth proportional to 3,712,966,389.83, 5,125,226,408.32 and 2,207,589,149.58 is: 3,047,265,453.08
Step by Step Solution
- Step 1: Write the proportion equation
3,712,966,389.83 : 5,125,226,408.32 = 2,207,589,149.58 : x - Step 2: Convert to fraction form
3,712,966,389.83/5,125,226,408.32 = 2,207,589,149.58/x - Step 3: Cross multiply
3,712,966,389.83x = 5,125,226,408.32 × 2,207,589,149.58 - Step 4: Simplify right side
3,712,966,389.83x = 11,314,394,208,158,701,568 - Step 5: Solve for x
x = 11,314,394,208,158,701,568/3,712,966,389.83 - Step 6: Final answer
x = 3,047,265,453.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.