Finding the Fourth Proportional to 676,619,904.84, 1,013,355,961.29 and 658,001,201.56
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Solution
The fourth proportional to 676,619,904.84, 1,013,355,961.29 and 658,001,201.56 is: 985,471,215.62
Step by Step Solution
- Step 1: Write the proportion equation
676,619,904.84 : 1,013,355,961.29 = 658,001,201.56 : x - Step 2: Convert to fraction form
676,619,904.84/1,013,355,961.29 = 658,001,201.56/x - Step 3: Cross multiply
676,619,904.84x = 1,013,355,961.29 × 658,001,201.56 - Step 4: Simplify right side
676,619,904.84x = 666,789,440,136,808,704 - Step 5: Solve for x
x = 666,789,440,136,808,704/676,619,904.84 - Step 6: Final answer
x = 985,471,215.62
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1.5x scale
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.