Finding the Fourth Proportional to 1,529,618,836.44, 2,294,428,128.35 and 424,223,679
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Solution
The fourth proportional to 1,529,618,836.44, 2,294,428,128.35 and 424,223,679 is: 636,335,483.47
Step by Step Solution
- Step 1: Write the proportion equation
1,529,618,836.44 : 2,294,428,128.35 = 424,223,679 : x - Step 2: Convert to fraction form
1,529,618,836.44/2,294,428,128.35 = 424,223,679/x - Step 3: Cross multiply
1,529,618,836.44x = 2,294,428,128.35 × 424,223,679 - Step 4: Simplify right side
1,529,618,836.44x = 973,350,741,807,600,000 - Step 5: Solve for x
x = 973,350,741,807,600,000/1,529,618,836.44 - Step 6: Final answer
x = 636,335,483.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.