Finding the Fourth Proportional to 18,700,342,543.52, 25,806,497,591.04 and 10,126,783,962.08
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Solution
The fourth proportional to 18,700,342,543.52, 25,806,497,591.04 and 10,126,783,962.08 is: 13,974,975,341.45
Step by Step Solution
- Step 1: Write the proportion equation
18,700,342,543.52 : 25,806,497,591.04 = 10,126,783,962.08 : x - Step 2: Convert to fraction form
18,700,342,543.52/25,806,497,591.04 = 10,126,783,962.08/x - Step 3: Cross multiply
18,700,342,543.52x = 25,806,497,591.04 × 10,126,783,962.08 - Step 4: Simplify right side
18,700,342,543.52x = 261,336,825,922,400,026,624 - Step 5: Solve for x
x = 261,336,825,922,400,026,624/18,700,342,543.52 - Step 6: Final answer
x = 13,974,975,341.45
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1.5x scale
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.