Finding the Fourth Proportional to 1,419,942,454.24, 2,130,142,551.62 and 437,368,536.65
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Solution
The fourth proportional to 1,419,942,454.24, 2,130,142,551.62 and 437,368,536.65 is: 656,123,301.25
Step by Step Solution
- Step 1: Write the proportion equation
1,419,942,454.24 : 2,130,142,551.62 = 437,368,536.65 : x - Step 2: Convert to fraction form
1,419,942,454.24/2,130,142,551.62 = 437,368,536.65/x - Step 3: Cross multiply
1,419,942,454.24x = 2,130,142,551.62 × 437,368,536.65 - Step 4: Simplify right side
1,419,942,454.24x = 931,657,330,657,936,384 - Step 5: Solve for x
x = 931,657,330,657,936,384/1,419,942,454.24 - Step 6: Final answer
x = 656,123,301.25
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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.