Finding the Fourth Proportional to 968,278,202.29, 1,452,412,472.80 and 378,128,403.72
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Solution
The fourth proportional to 968,278,202.29, 1,452,412,472.80 and 378,128,403.72 is: 567,190,719.14
Step by Step Solution
- Step 1: Write the proportion equation
968,278,202.29 : 1,452,412,472.80 = 378,128,403.72 : x - Step 2: Convert to fraction form
968,278,202.29/1,452,412,472.80 = 378,128,403.72/x - Step 3: Cross multiply
968,278,202.29x = 1,452,412,472.80 × 378,128,403.72 - Step 4: Simplify right side
968,278,202.29x = 549,198,409,886,372,672 - Step 5: Solve for x
x = 549,198,409,886,372,672/968,278,202.29 - Step 6: Final answer
x = 567,190,719.14
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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.