Finding the Fourth Proportional to 2,184,408,031.20, 3,276,612,046.80 and 730,385,455.20
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Solution
The fourth proportional to 2,184,408,031.20, 3,276,612,046.80 and 730,385,455.20 is: 1,095,578,182.80
Step by Step Solution
- Step 1: Write the proportion equation
2,184,408,031.20 : 3,276,612,046.80 = 730,385,455.20 : x - Step 2: Convert to fraction form
2,184,408,031.20/3,276,612,046.80 = 730,385,455.20/x - Step 3: Cross multiply
2,184,408,031.20x = 3,276,612,046.80 × 730,385,455.20 - Step 4: Simplify right side
2,184,408,031.20x = 2,393,189,781,315,822,080 - Step 5: Solve for x
x = 2,393,189,781,315,822,080/2,184,408,031.20 - Step 6: Final answer
x = 1,095,578,182.80
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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.