Finding the Fourth Proportional to 4,000,767,929.76, 5,521,059,743.12 and 2,240,635,337.76
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Solution
The fourth proportional to 4,000,767,929.76, 5,521,059,743.12 and 2,240,635,337.76 is: 3,092,076,766.14
Step by Step Solution
- Step 1: Write the proportion equation
4,000,767,929.76 : 5,521,059,743.12 = 2,240,635,337.76 : x - Step 2: Convert to fraction form
4,000,767,929.76/5,521,059,743.12 = 2,240,635,337.76/x - Step 3: Cross multiply
4,000,767,929.76x = 5,521,059,743.12 × 2,240,635,337.76 - Step 4: Simplify right side
4,000,767,929.76x = 12,370,681,562,318,821,376 - Step 5: Solve for x
x = 12,370,681,562,318,821,376/4,000,767,929.76 - Step 6: Final answer
x = 3,092,076,766.14
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1.5x scale
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.