Finding the Fourth Proportional to 199,888,106,770.80, 299,821,600,244.76 and 65,564,903,328.80
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Solution
The fourth proportional to 199,888,106,770.80, 299,821,600,244.76 and 65,564,903,328.80 is: 98,343,891,257.49
Step by Step Solution
- Step 1: Write the proportion equation
199,888,106,770.80 : 299,821,600,244.76 = 65,564,903,328.80 : x - Step 2: Convert to fraction form
199,888,106,770.80/299,821,600,244.76 = 65,564,903,328.80/x - Step 3: Cross multiply
199,888,106,770.80x = 299,821,600,244.76 × 65,564,903,328.80 - Step 4: Simplify right side
199,888,106,770.80x = 19,657,774,235,933,808,263,168 - Step 5: Solve for x
x = 19,657,774,235,933,808,263,168/199,888,106,770.80 - Step 6: Final answer
x = 98,343,891,257.49
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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.