Finding the Fourth Proportional to 1,702,613,931.23, 2,349,606,185.84 and 920,332,779.23
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Solution
The fourth proportional to 1,702,613,931.23, 2,349,606,185.84 and 920,332,779.23 is: 1,270,058,673.58
Step by Step Solution
- Step 1: Write the proportion equation
1,702,613,931.23 : 2,349,606,185.84 = 920,332,779.23 : x - Step 2: Convert to fraction form
1,702,613,931.23/2,349,606,185.84 = 920,332,779.23/x - Step 3: Cross multiply
1,702,613,931.23x = 2,349,606,185.84 × 920,332,779.23 - Step 4: Simplify right side
1,702,613,931.23x = 2,162,419,591,110,127,360 - Step 5: Solve for x
x = 2,162,419,591,110,127,360/1,702,613,931.23 - Step 6: Final answer
x = 1,270,058,673.58
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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.