Finding the Fourth Proportional to 1,419,942,455.74, 2,130,142,553.88 and 437,368,538.16
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Solution
The fourth proportional to 1,419,942,455.74, 2,130,142,553.88 and 437,368,538.16 is: 656,123,303.52
Step by Step Solution
- Step 1: Write the proportion equation
1,419,942,455.74 : 2,130,142,553.88 = 437,368,538.16 : x - Step 2: Convert to fraction form
1,419,942,455.74/2,130,142,553.88 = 437,368,538.16/x - Step 3: Cross multiply
1,419,942,455.74x = 2,130,142,553.88 × 437,368,538.16 - Step 4: Simplify right side
1,419,942,455.74x = 931,657,334,862,904,704 - Step 5: Solve for x
x = 931,657,334,862,904,704/1,419,942,455.74 - Step 6: Final answer
x = 656,123,303.52
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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.