Finding the Fourth Proportional to 3,024,867,986.40, 4,537,301,979.60 and 727,153,298.40
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Solution
The fourth proportional to 3,024,867,986.40, 4,537,301,979.60 and 727,153,298.40 is: 1,090,729,947.60
Step by Step Solution
- Step 1: Write the proportion equation
3,024,867,986.40 : 4,537,301,979.60 = 727,153,298.40 : x - Step 2: Convert to fraction form
3,024,867,986.40/4,537,301,979.60 = 727,153,298.40/x - Step 3: Cross multiply
3,024,867,986.40x = 4,537,301,979.60 × 727,153,298.40 - Step 4: Simplify right side
3,024,867,986.40x = 3,299,314,100,302,989,824 - Step 5: Solve for x
x = 3,299,314,100,302,989,824/3,024,867,986.40 - Step 6: Final answer
x = 1,090,729,947.60
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Similar ratio
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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.