Finding the Fourth Proportional to 1,373,197,687.53, 2,059,796,531.28 and 403,849,303.53
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Solution
The fourth proportional to 1,373,197,687.53, 2,059,796,531.28 and 403,849,303.53 is: 605,773,955.29
Step by Step Solution
- Step 1: Write the proportion equation
1,373,197,687.53 : 2,059,796,531.28 = 403,849,303.53 : x - Step 2: Convert to fraction form
1,373,197,687.53/2,059,796,531.28 = 403,849,303.53/x - Step 3: Cross multiply
1,373,197,687.53x = 2,059,796,531.28 × 403,849,303.53 - Step 4: Simplify right side
1,373,197,687.53x = 831,847,394,570,937,728 - Step 5: Solve for x
x = 831,847,394,570,937,728/1,373,197,687.53 - Step 6: Final answer
x = 605,773,955.29
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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.