Finding the Fourth Proportional to 1,425,606,088.96, 2,137,971,511.09 and 985,774,808.35
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Solution
The fourth proportional to 1,425,606,088.96, 2,137,971,511.09 and 985,774,808.35 is: 1,478,359,606.43
Step by Step Solution
- Step 1: Write the proportion equation
1,425,606,088.96 : 2,137,971,511.09 = 985,774,808.35 : x - Step 2: Convert to fraction form
1,425,606,088.96/2,137,971,511.09 = 985,774,808.35/x - Step 3: Cross multiply
1,425,606,088.96x = 2,137,971,511.09 × 985,774,808.35 - Step 4: Simplify right side
1,425,606,088.96x = 2,107,558,456,602,504,704 - Step 5: Solve for x
x = 2,107,558,456,602,504,704/1,425,606,088.96 - Step 6: Final answer
x = 1,478,359,606.43
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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.