Finding the Fourth Proportional to 1,691,627,860.70, 2,537,564,087.53 and 708,065,201.42
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Solution
The fourth proportional to 1,691,627,860.70, 2,537,564,087.53 and 708,065,201.42 is: 1,062,148,991.81
Step by Step Solution
- Step 1: Write the proportion equation
1,691,627,860.70 : 2,537,564,087.53 = 708,065,201.42 : x - Step 2: Convert to fraction form
1,691,627,860.70/2,537,564,087.53 = 708,065,201.42/x - Step 3: Cross multiply
1,691,627,860.70x = 2,537,564,087.53 × 708,065,201.42 - Step 4: Simplify right side
1,691,627,860.70x = 1,796,760,826,753,088,000 - Step 5: Solve for x
x = 1,796,760,826,753,088,000/1,691,627,860.70 - Step 6: Final answer
x = 1,062,148,991.81
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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.