Finding the Fourth Proportional to 2,571,486,402.96, 3,856,816,392.39 and 705,696,254.28
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Solution
The fourth proportional to 2,571,486,402.96, 3,856,816,392.39 and 705,696,254.28 is: 1,058,430,983.12
Step by Step Solution
- Step 1: Write the proportion equation
2,571,486,402.96 : 3,856,816,392.39 = 705,696,254.28 : x - Step 2: Convert to fraction form
2,571,486,402.96/3,856,816,392.39 = 705,696,254.28/x - Step 3: Cross multiply
2,571,486,402.96x = 3,856,816,392.39 × 705,696,254.28 - Step 4: Simplify right side
2,571,486,402.96x = 2,721,740,881,555,325,440 - Step 5: Solve for x
x = 2,721,740,881,555,325,440/2,571,486,402.96 - Step 6: Final answer
x = 1,058,430,983.12
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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.