Finding the Fourth Proportional to 8,896,053,738.31, 12,276,741,661.92 and 4,881,688,887.12
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Solution
The fourth proportional to 8,896,053,738.31, 12,276,741,661.92 and 4,881,688,887.12 is: 6,736,833,556.09
Step by Step Solution
- Step 1: Write the proportion equation
8,896,053,738.31 : 12,276,741,661.92 = 4,881,688,887.12 : x - Step 2: Convert to fraction form
8,896,053,738.31/12,276,741,661.92 = 4,881,688,887.12/x - Step 3: Cross multiply
8,896,053,738.31x = 12,276,741,661.92 × 4,881,688,887.12 - Step 4: Simplify right side
8,896,053,738.31x = 59,931,233,341,013,581,824 - Step 5: Solve for x
x = 59,931,233,341,013,581,824/8,896,053,738.31 - Step 6: Final answer
x = 6,736,833,556.09
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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.