Finding the Fourth Proportional to 6,643,917,381.80, 9,969,702,447.90 and 2,506,330,332.20
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Solution
The fourth proportional to 6,643,917,381.80, 9,969,702,447.90 and 2,506,330,332.20 is: 3,760,938,947.95
Step by Step Solution
- Step 1: Write the proportion equation
6,643,917,381.80 : 9,969,702,447.90 = 2,506,330,332.20 : x - Step 2: Convert to fraction form
6,643,917,381.80/9,969,702,447.90 = 2,506,330,332.20/x - Step 3: Cross multiply
6,643,917,381.80x = 9,969,702,447.90 × 2,506,330,332.20 - Step 4: Simplify right side
6,643,917,381.80x = 24,987,367,648,180,359,168 - Step 5: Solve for x
x = 24,987,367,648,180,359,168/6,643,917,381.80 - Step 6: Final answer
x = 3,760,938,947.95
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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.