Finding the Fourth Proportional to 6,465,961,801.80, 9,698,942,702.70 and 2,103,894,073.80
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Solution
The fourth proportional to 6,465,961,801.80, 9,698,942,702.70 and 2,103,894,073.80 is: 3,155,841,110.70
Step by Step Solution
- Step 1: Write the proportion equation
6,465,961,801.80 : 9,698,942,702.70 = 2,103,894,073.80 : x - Step 2: Convert to fraction form
6,465,961,801.80/9,698,942,702.70 = 2,103,894,073.80/x - Step 3: Cross multiply
6,465,961,801.80x = 9,698,942,702.70 × 2,103,894,073.80 - Step 4: Simplify right side
6,465,961,801.80x = 20,405,548,074,336,284,672 - Step 5: Solve for x
x = 20,405,548,074,336,284,672/6,465,961,801.80 - Step 6: Final answer
x = 3,155,841,110.70
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1.5x scale
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.