Finding the Fourth Proportional to 7,223,410,058.40, 10,835,115,087.60 and 6,121,414,000.80
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Solution
The fourth proportional to 7,223,410,058.40, 10,835,115,087.60 and 6,121,414,000.80 is: 9,182,121,001.20
Step by Step Solution
- Step 1: Write the proportion equation
7,223,410,058.40 : 10,835,115,087.60 = 6,121,414,000.80 : x - Step 2: Convert to fraction form
7,223,410,058.40/10,835,115,087.60 = 6,121,414,000.80/x - Step 3: Cross multiply
7,223,410,058.40x = 10,835,115,087.60 × 6,121,414,000.80 - Step 4: Simplify right side
7,223,410,058.40x = 66,326,225,197,513,965,568 - Step 5: Solve for x
x = 66,326,225,197,513,965,568/7,223,410,058.40 - Step 6: Final answer
x = 9,182,121,001.20
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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.