Finding the Fourth Proportional to 5,698,503,979.51, 7,863,936,237.07 and 3,158,349,940.10
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Solution
The fourth proportional to 5,698,503,979.51, 7,863,936,237.07 and 3,158,349,940.10 is: 4,358,523,330.44
Step by Step Solution
- Step 1: Write the proportion equation
5,698,503,979.51 : 7,863,936,237.07 = 3,158,349,940.10 : x - Step 2: Convert to fraction form
5,698,503,979.51/7,863,936,237.07 = 3,158,349,940.10/x - Step 3: Cross multiply
5,698,503,979.51x = 7,863,936,237.07 × 3,158,349,940.10 - Step 4: Simplify right side
5,698,503,979.51x = 24,837,062,543,300,251,648 - Step 5: Solve for x
x = 24,837,062,543,300,251,648/5,698,503,979.51 - Step 6: Final answer
x = 4,358,523,330.44
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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.