Finding the Fourth Proportional to 4,205,128,623.80, 6,307,692,935.70 and 1,751,146,662.20
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Solution
The fourth proportional to 4,205,128,623.80, 6,307,692,935.70 and 1,751,146,662.20 is: 2,626,719,993.30
Step by Step Solution
- Step 1: Write the proportion equation
4,205,128,623.80 : 6,307,692,935.70 = 1,751,146,662.20 : x - Step 2: Convert to fraction form
4,205,128,623.80/6,307,692,935.70 = 1,751,146,662.20/x - Step 3: Cross multiply
4,205,128,623.80x = 6,307,692,935.70 × 1,751,146,662.20 - Step 4: Simplify right side
4,205,128,623.80x = 11,045,695,430,533,574,656 - Step 5: Solve for x
x = 11,045,695,430,533,574,656/4,205,128,623.80 - Step 6: Final answer
x = 2,626,719,993.30
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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.