Finding the Fourth Proportional to 1,918,801,631.92, 2,869,893,531.84 and 1,129,974,953.88
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Solution
The fourth proportional to 1,918,801,631.92, 2,869,893,531.84 and 1,129,974,953.88 is: 1,690,069,341.89
Step by Step Solution
- Step 1: Write the proportion equation
1,918,801,631.92 : 2,869,893,531.84 = 1,129,974,953.88 : x - Step 2: Convert to fraction form
1,918,801,631.92/2,869,893,531.84 = 1,129,974,953.88/x - Step 3: Cross multiply
1,918,801,631.92x = 2,869,893,531.84 × 1,129,974,953.88 - Step 4: Simplify right side
1,918,801,631.92x = 3,242,907,811,281,414,656 - Step 5: Solve for x
x = 3,242,907,811,281,414,656/1,918,801,631.92 - Step 6: Final answer
x = 1,690,069,341.89
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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.