Finding the Fourth Proportional to 18,177,001,423.20, 27,265,502,134.80 and 8,381,480,911.20
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Solution
The fourth proportional to 18,177,001,423.20, 27,265,502,134.80 and 8,381,480,911.20 is: 12,572,221,366.80
Step by Step Solution
- Step 1: Write the proportion equation
18,177,001,423.20 : 27,265,502,134.80 = 8,381,480,911.20 : x - Step 2: Convert to fraction form
18,177,001,423.20/27,265,502,134.80 = 8,381,480,911.20/x - Step 3: Cross multiply
18,177,001,423.20x = 27,265,502,134.80 × 8,381,480,911.20 - Step 4: Simplify right side
18,177,001,423.20x = 228,525,285,677,109,051,392 - Step 5: Solve for x
x = 228,525,285,677,109,051,392/18,177,001,423.20 - Step 6: Final answer
x = 12,572,221,366.80
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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.