Finding the Fourth Proportional to 1,702,391,405.23, 2,349,299,078.09 and 920,110,253.23
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Solution
The fourth proportional to 1,702,391,405.23, 2,349,299,078.09 and 920,110,253.23 is: 1,269,751,575.94
Step by Step Solution
- Step 1: Write the proportion equation
1,702,391,405.23 : 2,349,299,078.09 = 920,110,253.23 : x - Step 2: Convert to fraction form
1,702,391,405.23/2,349,299,078.09 = 920,110,253.23/x - Step 3: Cross multiply
1,702,391,405.23x = 2,349,299,078.09 × 920,110,253.23 - Step 4: Simplify right side
1,702,391,405.23x = 2,161,614,169,649,795,072 - Step 5: Solve for x
x = 2,161,614,169,649,795,072/1,702,391,405.23 - Step 6: Final answer
x = 1,269,751,575.94
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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.