Finding the Fourth Proportional to 18,358,344,006.40, 27,537,516,009.60 and 5,937,930,107.20
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Solution
The fourth proportional to 18,358,344,006.40, 27,537,516,009.60 and 5,937,930,107.20 is: 8,906,895,160.80
Step by Step Solution
- Step 1: Write the proportion equation
18,358,344,006.40 : 27,537,516,009.60 = 5,937,930,107.20 : x - Step 2: Convert to fraction form
18,358,344,006.40/27,537,516,009.60 = 5,937,930,107.20/x - Step 3: Cross multiply
18,358,344,006.40x = 27,537,516,009.60 × 5,937,930,107.20 - Step 4: Simplify right side
18,358,344,006.40x = 163,515,845,390,905,835,520 - Step 5: Solve for x
x = 163,515,845,390,905,835,520/18,358,344,006.40 - Step 6: Final answer
x = 8,906,895,160.80
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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.