Finding the Fourth Proportional to 1,918,801,628.91, 2,869,893,527.36 and 1,129,974,950.88
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Solution
The fourth proportional to 1,918,801,628.91, 2,869,893,527.36 and 1,129,974,950.88 is: 1,690,069,337.42
Step by Step Solution
- Step 1: Write the proportion equation
1,918,801,628.91 : 2,869,893,527.36 = 1,129,974,950.88 : x - Step 2: Convert to fraction form
1,918,801,628.91/2,869,893,527.36 = 1,129,974,950.88/x - Step 3: Cross multiply
1,918,801,628.91x = 2,869,893,527.36 × 1,129,974,950.88 - Step 4: Simplify right side
1,918,801,628.91x = 3,242,907,797,603,796,480 - Step 5: Solve for x
x = 3,242,907,797,603,796,480/1,918,801,628.91 - Step 6: Final answer
x = 1,690,069,337.42
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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.