Finding the Fourth Proportional to 777,918,319.64, 1,073,535,608.33 and 425,486,774.31
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Solution
The fourth proportional to 777,918,319.64, 1,073,535,608.33 and 425,486,774.31 is: 587,176,303.17
Step by Step Solution
- Step 1: Write the proportion equation
777,918,319.64 : 1,073,535,608.33 = 425,486,774.31 : x - Step 2: Convert to fraction form
777,918,319.64/1,073,535,608.33 = 425,486,774.31/x - Step 3: Cross multiply
777,918,319.64x = 1,073,535,608.33 × 425,486,774.31 - Step 4: Simplify right side
777,918,319.64x = 456,775,203,093,127,872 - Step 5: Solve for x
x = 456,775,203,093,127,872/777,918,319.64 - Step 6: Final answer
x = 587,176,303.17
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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.