Finding the Fourth Proportional to 2,262,705,480.20, 3,122,805,394.68 and 1,370,606,031.30
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Solution
The fourth proportional to 2,262,705,480.20, 3,122,805,394.68 and 1,370,606,031.30 is: 1,891,600,982.09
Step by Step Solution
- Step 1: Write the proportion equation
2,262,705,480.20 : 3,122,805,394.68 = 1,370,606,031.30 : x - Step 2: Convert to fraction form
2,262,705,480.20/3,122,805,394.68 = 1,370,606,031.30/x - Step 3: Cross multiply
2,262,705,480.20x = 3,122,805,394.68 × 1,370,606,031.30 - Step 4: Simplify right side
2,262,705,480.20x = 4,280,135,908,524,584,448 - Step 5: Solve for x
x = 4,280,135,908,524,584,448/2,262,705,480.20 - Step 6: Final answer
x = 1,891,600,982.09
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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.