Finding the Fourth Proportional to 30,272,304,252.24, 41,472,363,578.58 and 29,140,493,144.40
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Solution
The fourth proportional to 30,272,304,252.24, 41,472,363,578.58 and 29,140,493,144.40 is: 39,921,808,279.73
Step by Step Solution
- Step 1: Write the proportion equation
30,272,304,252.24 : 41,472,363,578.58 = 29,140,493,144.40 : x - Step 2: Convert to fraction form
30,272,304,252.24/41,472,363,578.58 = 29,140,493,144.40/x - Step 3: Cross multiply
30,272,304,252.24x = 41,472,363,578.58 × 29,140,493,144.40 - Step 4: Simplify right side
30,272,304,252.24x = 1,208,525,126,543,674,966,016 - Step 5: Solve for x
x = 1,208,525,126,543,674,966,016/30,272,304,252.24 - Step 6: Final answer
x = 39,921,808,279.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.