Finding the Fourth Proportional to 4,933,190,326.68, 7,400,220,533.53 and 1,391,962,821.49
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Solution
The fourth proportional to 4,933,190,326.68, 7,400,220,533.53 and 1,391,962,821.49 is: 2,088,066,985.33
Step by Step Solution
- Step 1: Write the proportion equation
4,933,190,326.68 : 7,400,220,533.53 = 1,391,962,821.49 : x - Step 2: Convert to fraction form
4,933,190,326.68/7,400,220,533.53 = 1,391,962,821.49/x - Step 3: Cross multiply
4,933,190,326.68x = 7,400,220,533.53 × 1,391,962,821.49 - Step 4: Simplify right side
4,933,190,326.68x = 10,300,831,853,506,793,472 - Step 5: Solve for x
x = 10,300,831,853,506,793,472/4,933,190,326.68 - Step 6: Final answer
x = 2,088,066,985.33
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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.