Finding the Fourth Proportional to 2,152,512,920.48, 2,970,467,805.58 and 1,162,438,337.48
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Solution
The fourth proportional to 2,152,512,920.48, 2,970,467,805.58 and 1,162,438,337.48 is: 1,604,164,892.39
Step by Step Solution
- Step 1: Write the proportion equation
2,152,512,920.48 : 2,970,467,805.58 = 1,162,438,337.48 : x - Step 2: Convert to fraction form
2,152,512,920.48/2,970,467,805.58 = 1,162,438,337.48/x - Step 3: Cross multiply
2,152,512,920.48x = 2,970,467,805.58 × 1,162,438,337.48 - Step 4: Simplify right side
2,152,512,920.48x = 3,452,985,657,456,279,040 - Step 5: Solve for x
x = 3,452,985,657,456,279,040/2,152,512,920.48 - Step 6: Final answer
x = 1,604,164,892.39
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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.