Finding the Fourth Proportional to 771,491,609.12, 1,064,657,610.37 and 419,067,875.48
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Solution
The fourth proportional to 771,491,609.12, 1,064,657,610.37 and 419,067,875.48 is: 578,313,228.06
Step by Step Solution
- Step 1: Write the proportion equation
771,491,609.12 : 1,064,657,610.37 = 419,067,875.48 : x - Step 2: Convert to fraction form
771,491,609.12/1,064,657,610.37 = 419,067,875.48/x - Step 3: Cross multiply
771,491,609.12x = 1,064,657,610.37 × 419,067,875.48 - Step 4: Simplify right side
771,491,609.12x = 446,163,802,888,550,656 - Step 5: Solve for x
x = 446,163,802,888,550,656/771,491,609.12 - Step 6: Final answer
x = 578,313,228.06
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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.