Finding the Fourth Proportional to 8,755,486,397.19, 13,127,712,057.23 and 7,427,978,271.99
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Solution
The fourth proportional to 8,755,486,397.19, 13,127,712,057.23 and 7,427,978,271.99 is: 11,137,286,439.43
Step by Step Solution
- Step 1: Write the proportion equation
8,755,486,397.19 : 13,127,712,057.23 = 7,427,978,271.99 : x - Step 2: Convert to fraction form
8,755,486,397.19/13,127,712,057.23 = 7,427,978,271.99/x - Step 3: Cross multiply
8,755,486,397.19x = 13,127,712,057.23 × 7,427,978,271.99 - Step 4: Simplify right side
8,755,486,397.19x = 97,512,359,922,008,440,832 - Step 5: Solve for x
x = 97,512,359,922,008,440,832/8,755,486,397.19 - Step 6: Final answer
x = 11,137,286,439.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.