Finding the Fourth Proportional to 3,673,536,830.70, 5,510,298,158.52 and 913,168,503.78
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Solution
The fourth proportional to 3,673,536,830.70, 5,510,298,158.52 and 913,168,503.78 is: 1,369,750,993.85
Step by Step Solution
- Step 1: Write the proportion equation
3,673,536,830.70 : 5,510,298,158.52 = 913,168,503.78 : x - Step 2: Convert to fraction form
3,673,536,830.70/5,510,298,158.52 = 913,168,503.78/x - Step 3: Cross multiply
3,673,536,830.70x = 5,510,298,158.52 × 913,168,503.78 - Step 4: Simplify right side
3,673,536,830.70x = 5,031,830,724,797,398,016 - Step 5: Solve for x
x = 5,031,830,724,797,398,016/3,673,536,830.70 - Step 6: Final answer
x = 1,369,750,993.85
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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.