Finding the Fourth Proportional to 9,748,537,925, 13,452,982,336.50 and 5,576,371,781
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Solution
The fourth proportional to 9,748,537,925, 13,452,982,336.50 and 5,576,371,781 is: 7,695,393,057.78
Step by Step Solution
- Step 1: Write the proportion equation
9,748,537,925 : 13,452,982,336.50 = 5,576,371,781 : x - Step 2: Convert to fraction form
9,748,537,925/13,452,982,336.50 = 5,576,371,781/x - Step 3: Cross multiply
9,748,537,925x = 13,452,982,336.50 × 5,576,371,781 - Step 4: Simplify right side
9,748,537,925x = 75,018,831,071,550,046,208 - Step 5: Solve for x
x = 75,018,831,071,550,046,208/9,748,537,925 - Step 6: Final answer
x = 7,695,393,057.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.