Finding the Fourth Proportional to 1,170,850,070.62, 1,616,134,902.78 and 753,162,355.36
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Solution
The fourth proportional to 1,170,850,070.62, 1,616,134,902.78 and 753,162,355.36 is: 1,039,596,785.70
Step by Step Solution
- Step 1: Write the proportion equation
1,170,850,070.62 : 1,616,134,902.78 = 753,162,355.36 : x - Step 2: Convert to fraction form
1,170,850,070.62/1,616,134,902.78 = 753,162,355.36/x - Step 3: Cross multiply
1,170,850,070.62x = 1,616,134,902.78 × 753,162,355.36 - Step 4: Simplify right side
1,170,850,070.62x = 1,217,211,969,957,289,472 - Step 5: Solve for x
x = 1,217,211,969,957,289,472/1,170,850,070.62 - Step 6: Final answer
x = 1,039,596,785.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.