Finding the Fourth Proportional to 3,138,531,657.81, 4,331,479,926.38 and 2,344,200,081.13
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Solution
The fourth proportional to 3,138,531,657.81, 4,331,479,926.38 and 2,344,200,081.13 is: 3,235,224,844.58
Step by Step Solution
- Step 1: Write the proportion equation
3,138,531,657.81 : 4,331,479,926.38 = 2,344,200,081.13 : x - Step 2: Convert to fraction form
3,138,531,657.81/4,331,479,926.38 = 2,344,200,081.13/x - Step 3: Cross multiply
3,138,531,657.81x = 4,331,479,926.38 × 2,344,200,081.13 - Step 4: Simplify right side
3,138,531,657.81x = 10,153,855,594,832,963,584 - Step 5: Solve for x
x = 10,153,855,594,832,963,584/3,138,531,657.81 - Step 6: Final answer
x = 3,235,224,844.58
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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.