Finding the Fourth Proportional to 4,137,850,209.90, 6,209,798,623.65 and 2,913,410,145.90
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Solution
The fourth proportional to 4,137,850,209.90, 6,209,798,623.65 and 2,913,410,145.90 is: 4,372,243,893.91
Step by Step Solution
- Step 1: Write the proportion equation
4,137,850,209.90 : 6,209,798,623.65 = 2,913,410,145.90 : x - Step 2: Convert to fraction form
4,137,850,209.90/6,209,798,623.65 = 2,913,410,145.90/x - Step 3: Cross multiply
4,137,850,209.90x = 6,209,798,623.65 × 2,913,410,145.90 - Step 4: Simplify right side
4,137,850,209.90x = 18,091,690,314,137,765,888 - Step 5: Solve for x
x = 18,091,690,314,137,765,888/4,137,850,209.90 - Step 6: Final answer
x = 4,372,243,893.91
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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.