Finding the Fourth Proportional to 4,137,213,206.90, 5,709,475,354.68 and 2,257,739,633.45
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Solution
The fourth proportional to 4,137,213,206.90, 5,709,475,354.68 and 2,257,739,633.45 is: 3,115,746,796.16
Step by Step Solution
- Step 1: Write the proportion equation
4,137,213,206.90 : 5,709,475,354.68 = 2,257,739,633.45 : x - Step 2: Convert to fraction form
4,137,213,206.90/5,709,475,354.68 = 2,257,739,633.45/x - Step 3: Cross multiply
4,137,213,206.90x = 5,709,475,354.68 × 2,257,739,633.45 - Step 4: Simplify right side
4,137,213,206.90x = 12,890,508,794,427,197,440 - Step 5: Solve for x
x = 12,890,508,794,427,197,440/4,137,213,206.90 - Step 6: Final answer
x = 3,115,746,796.16
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1.5x scale
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.