Finding the Fourth Proportional to 8,224,158,904.40, 12,343,292,743.80 and 3,320,352,030.80
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Solution
The fourth proportional to 8,224,158,904.40, 12,343,292,743.80 and 3,320,352,030.80 is: 4,983,376,124.54
Step by Step Solution
- Step 1: Write the proportion equation
8,224,158,904.40 : 12,343,292,743.80 = 3,320,352,030.80 : x - Step 2: Convert to fraction form
8,224,158,904.40/12,343,292,743.80 = 3,320,352,030.80/x - Step 3: Cross multiply
8,224,158,904.40x = 12,343,292,743.80 × 3,320,352,030.80 - Step 4: Simplify right side
8,224,158,904.40x = 40,984,077,128,635,236,352 - Step 5: Solve for x
x = 40,984,077,128,635,236,352/8,224,158,904.40 - Step 6: Final answer
x = 4,983,376,124.54
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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.