Finding the Fourth Proportional to 5,845,872,386.40, 8,768,808,579.60 and 4,606,126,821.60
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Solution
The fourth proportional to 5,845,872,386.40, 8,768,808,579.60 and 4,606,126,821.60 is: 6,909,190,232.40
Step by Step Solution
- Step 1: Write the proportion equation
5,845,872,386.40 : 8,768,808,579.60 = 4,606,126,821.60 : x - Step 2: Convert to fraction form
5,845,872,386.40/8,768,808,579.60 = 4,606,126,821.60/x - Step 3: Cross multiply
5,845,872,386.40x = 8,768,808,579.60 × 4,606,126,821.60 - Step 4: Simplify right side
5,845,872,386.40x = 40,390,244,391,971,766,272 - Step 5: Solve for x
x = 40,390,244,391,971,766,272/5,845,872,386.40 - Step 6: Final answer
x = 6,909,190,232.40
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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.