Finding the Fourth Proportional to 4,330,823,908.91, 6,495,195,714.61 and 1,999,520,968.73
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Solution
The fourth proportional to 4,330,823,908.91, 6,495,195,714.61 and 1,999,520,968.73 is: 2,998,801,221.32
Step by Step Solution
- Step 1: Write the proportion equation
4,330,823,908.91 : 6,495,195,714.61 = 1,999,520,968.73 : x - Step 2: Convert to fraction form
4,330,823,908.91/6,495,195,714.61 = 1,999,520,968.73/x - Step 3: Cross multiply
4,330,823,908.91x = 6,495,195,714.61 × 1,999,520,968.73 - Step 4: Simplify right side
4,330,823,908.91x = 12,987,280,027,367,931,904 - Step 5: Solve for x
x = 12,987,280,027,367,931,904/4,330,823,908.91 - Step 6: Final answer
x = 2,998,801,221.32
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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.