Finding the Fourth Proportional to 10,391,163,713.20, 14,341,358,561.16 and 8,180,134,006.96
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Solution
The fourth proportional to 10,391,163,713.20, 14,341,358,561.16 and 8,180,134,006.96 is: 11,289,807,196.77
Step by Step Solution
- Step 1: Write the proportion equation
10,391,163,713.20 : 14,341,358,561.16 = 8,180,134,006.96 : x - Step 2: Convert to fraction form
10,391,163,713.20/14,341,358,561.16 = 8,180,134,006.96/x - Step 3: Cross multiply
10,391,163,713.20x = 14,341,358,561.16 × 8,180,134,006.96 - Step 4: Simplify right side
10,391,163,713.20x = 117,314,234,872,151,851,008 - Step 5: Solve for x
x = 117,314,234,872,151,851,008/10,391,163,713.20 - Step 6: Final answer
x = 11,289,807,196.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.