Finding the Fourth Proportional to 1,628,573,878.97, 2,441,745,593.52 and 829,343,938.13
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Solution
The fourth proportional to 1,628,573,878.97, 2,441,745,593.52 and 829,343,938.13 is: 1,243,447,983.90
Step by Step Solution
- Step 1: Write the proportion equation
1,628,573,878.97 : 2,441,745,593.52 = 829,343,938.13 : x - Step 2: Convert to fraction form
1,628,573,878.97/2,441,745,593.52 = 829,343,938.13/x - Step 3: Cross multiply
1,628,573,878.97x = 2,441,745,593.52 × 829,343,938.13 - Step 4: Simplify right side
1,628,573,878.97x = 2,025,046,906,429,242,368 - Step 5: Solve for x
x = 2,025,046,906,429,242,368/1,628,573,878.97 - Step 6: Final answer
x = 1,243,447,983.90
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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.