Finding the Fourth Proportional to 773,103,417.55, 1,066,873,748.14 and 420,673,336.14
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Solution
The fourth proportional to 773,103,417.55, 1,066,873,748.14 and 420,673,336.14 is: 580,524,324.02
Step by Step Solution
- Step 1: Write the proportion equation
773,103,417.55 : 1,066,873,748.14 = 420,673,336.14 : x - Step 2: Convert to fraction form
773,103,417.55/1,066,873,748.14 = 420,673,336.14/x - Step 3: Cross multiply
773,103,417.55x = 1,066,873,748.14 × 420,673,336.14 - Step 4: Simplify right side
773,103,417.55x = 448,805,338,870,239,872 - Step 5: Solve for x
x = 448,805,338,870,239,872/773,103,417.55 - Step 6: Final answer
x = 580,524,324.02
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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.