Finding the Fourth Proportional to 2,239,490,819.80, 3,359,236,229.70 and 1,272,032,003.80
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Solution
The fourth proportional to 2,239,490,819.80, 3,359,236,229.70 and 1,272,032,003.80 is: 1,908,048,005.70
Step by Step Solution
- Step 1: Write the proportion equation
2,239,490,819.80 : 3,359,236,229.70 = 1,272,032,003.80 : x - Step 2: Convert to fraction form
2,239,490,819.80/3,359,236,229.70 = 1,272,032,003.80/x - Step 3: Cross multiply
2,239,490,819.80x = 3,359,236,229.70 × 1,272,032,003.80 - Step 4: Simplify right side
2,239,490,819.80x = 4,273,055,992,502,847,488 - Step 5: Solve for x
x = 4,273,055,992,502,847,488/2,239,490,819.80 - Step 6: Final answer
x = 1,908,048,005.70
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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.