Finding the Fourth Proportional to 754,355,217.42, 1,040,119,536.06 and 516,315,067.74
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Solution
The fourth proportional to 754,355,217.42, 1,040,119,536.06 and 516,315,067.74 is: 711,905,182.49
Step by Step Solution
- Step 1: Write the proportion equation
754,355,217.42 : 1,040,119,536.06 = 516,315,067.74 : x - Step 2: Convert to fraction form
754,355,217.42/1,040,119,536.06 = 516,315,067.74/x - Step 3: Cross multiply
754,355,217.42x = 1,040,119,536.06 × 516,315,067.74 - Step 4: Simplify right side
754,355,217.42x = 537,029,388,718,516,224 - Step 5: Solve for x
x = 537,029,388,718,516,224/754,355,217.42 - Step 6: Final answer
x = 711,905,182.49
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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.