Finding the Fourth Proportional to 1,702,613,925.73, 2,349,606,178.25 and 920,332,773.73
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Solution
The fourth proportional to 1,702,613,925.73, 2,349,606,178.25 and 920,332,773.73 is: 1,270,058,665.99
Step by Step Solution
- Step 1: Write the proportion equation
1,702,613,925.73 : 2,349,606,178.25 = 920,332,773.73 : x - Step 2: Convert to fraction form
1,702,613,925.73/2,349,606,178.25 = 920,332,773.73/x - Step 3: Cross multiply
1,702,613,925.73x = 2,349,606,178.25 × 920,332,773.73 - Step 4: Simplify right side
1,702,613,925.73x = 2,162,419,571,201,967,360 - Step 5: Solve for x
x = 2,162,419,571,201,967,360/1,702,613,925.73 - Step 6: Final answer
x = 1,270,058,665.99
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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.