Finding the Fourth Proportional to 6,181,856,179.63, 8,528,650,486.95 and 3,639,984,671.53
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Solution
The fourth proportional to 6,181,856,179.63, 8,528,650,486.95 and 3,639,984,671.53 is: 5,021,818,065.53
Step by Step Solution
- Step 1: Write the proportion equation
6,181,856,179.63 : 8,528,650,486.95 = 3,639,984,671.53 : x - Step 2: Convert to fraction form
6,181,856,179.63/8,528,650,486.95 = 3,639,984,671.53/x - Step 3: Cross multiply
6,181,856,179.63x = 8,528,650,486.95 × 3,639,984,671.53 - Step 4: Simplify right side
6,181,856,179.63x = 31,044,157,041,359,917,056 - Step 5: Solve for x
x = 31,044,157,041,359,917,056/6,181,856,179.63 - Step 6: Final answer
x = 5,021,818,065.53
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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.