Finding the Fourth Proportional to 2,859,675,608.40, 3,946,251,686.76 and 1,572,178,102.40
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Solution
The fourth proportional to 2,859,675,608.40, 3,946,251,686.76 and 1,572,178,102.40 is: 2,169,550,444.90
Step by Step Solution
- Step 1: Write the proportion equation
2,859,675,608.40 : 3,946,251,686.76 = 1,572,178,102.40 : x - Step 2: Convert to fraction form
2,859,675,608.40/3,946,251,686.76 = 1,572,178,102.40/x - Step 3: Cross multiply
2,859,675,608.40x = 3,946,251,686.76 × 1,572,178,102.40 - Step 4: Simplify right side
2,859,675,608.40x = 6,204,210,488,469,340,160 - Step 5: Solve for x
x = 6,204,210,488,469,340,160/2,859,675,608.40 - Step 6: Final answer
x = 2,169,550,444.90
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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.