Finding the Fourth Proportional to 1,675,244,854.80, 2,512,867,282.20 and 448,413,306.30
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Solution
The fourth proportional to 1,675,244,854.80, 2,512,867,282.20 and 448,413,306.30 is: 672,619,959.45
Step by Step Solution
- Step 1: Write the proportion equation
1,675,244,854.80 : 2,512,867,282.20 = 448,413,306.30 : x - Step 2: Convert to fraction form
1,675,244,854.80/2,512,867,282.20 = 448,413,306.30/x - Step 3: Cross multiply
1,675,244,854.80x = 2,512,867,282.20 × 448,413,306.30 - Step 4: Simplify right side
1,675,244,854.80x = 1,126,803,126,304,397,056 - Step 5: Solve for x
x = 1,126,803,126,304,397,056/1,675,244,854.80 - Step 6: Final answer
x = 672,619,959.45
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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.