Finding the Fourth Proportional to 1,771,737,820.08, 2,656,991,291.91 and 985,990,557.39
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Solution
The fourth proportional to 1,771,737,820.08, 2,656,991,291.91 and 985,990,557.39 is: 1,478,643,338.31
Step by Step Solution
- Step 1: Write the proportion equation
1,771,737,820.08 : 2,656,991,291.91 = 985,990,557.39 : x - Step 2: Convert to fraction form
1,771,737,820.08/2,656,991,291.91 = 985,990,557.39/x - Step 3: Cross multiply
1,771,737,820.08x = 2,656,991,291.91 × 985,990,557.39 - Step 4: Simplify right side
1,771,737,820.08x = 2,619,768,324,877,431,808 - Step 5: Solve for x
x = 2,619,768,324,877,431,808/1,771,737,820.08 - Step 6: Final answer
x = 1,478,643,338.31
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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.