Finding the Fourth Proportional to 5,432,508,901.80, 8,148,763,352.70 and 1,555,115,365.80
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Solution
The fourth proportional to 5,432,508,901.80, 8,148,763,352.70 and 1,555,115,365.80 is: 2,332,673,048.70
Step by Step Solution
- Step 1: Write the proportion equation
5,432,508,901.80 : 8,148,763,352.70 = 1,555,115,365.80 : x - Step 2: Convert to fraction form
5,432,508,901.80/8,148,763,352.70 = 1,555,115,365.80/x - Step 3: Cross multiply
5,432,508,901.80x = 8,148,763,352.70 × 1,555,115,365.80 - Step 4: Simplify right side
5,432,508,901.80x = 12,672,267,102,051,694,592 - Step 5: Solve for x
x = 12,672,267,102,051,694,592/5,432,508,901.80 - Step 6: Final answer
x = 2,332,673,048.70
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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.