Finding the Fourth Proportional to 1,735,030,311.68, 2,394,341,830.12 and 992,474,374.43
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Solution
The fourth proportional to 1,735,030,311.68, 2,394,341,830.12 and 992,474,374.43 is: 1,369,614,636.71
Step by Step Solution
- Step 1: Write the proportion equation
1,735,030,311.68 : 2,394,341,830.12 = 992,474,374.43 : x - Step 2: Convert to fraction form
1,735,030,311.68/2,394,341,830.12 = 992,474,374.43/x - Step 3: Cross multiply
1,735,030,311.68x = 2,394,341,830.12 × 992,474,374.43 - Step 4: Simplify right side
1,735,030,311.68x = 2,376,322,910,017,006,080 - Step 5: Solve for x
x = 2,376,322,910,017,006,080/1,735,030,311.68 - Step 6: Final answer
x = 1,369,614,636.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.