Finding the Fourth Proportional to 2,790,736,240.92, 3,850,005,987.36 and 1,661,072,533.80
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Solution
The fourth proportional to 2,790,736,240.92, 3,850,005,987.36 and 1,661,072,533.80 is: 2,291,559,878.29
Step by Step Solution
- Step 1: Write the proportion equation
2,790,736,240.92 : 3,850,005,987.36 = 1,661,072,533.80 : x - Step 2: Convert to fraction form
2,790,736,240.92/3,850,005,987.36 = 1,661,072,533.80/x - Step 3: Cross multiply
2,790,736,240.92x = 3,850,005,987.36 × 1,661,072,533.80 - Step 4: Simplify right side
2,790,736,240.92x = 6,395,139,200,569,245,696 - Step 5: Solve for x
x = 6,395,139,200,569,245,696/2,790,736,240.92 - Step 6: Final answer
x = 2,291,559,878.29
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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.