Finding the Fourth Proportional to 2,124,583,474.22, 3,186,881,190.06 and 814,886,987.79
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Solution
The fourth proportional to 2,124,583,474.22, 3,186,881,190.06 and 814,886,987.79 is: 1,222,332,774.84
Step by Step Solution
- Step 1: Write the proportion equation
2,124,583,474.22 : 3,186,881,190.06 = 814,886,987.79 : x - Step 2: Convert to fraction form
2,124,583,474.22/3,186,881,190.06 = 814,886,987.79/x - Step 3: Cross multiply
2,124,583,474.22x = 3,186,881,190.06 × 814,886,987.79 - Step 4: Simplify right side
2,124,583,474.22x = 2,596,948,013,412,603,904 - Step 5: Solve for x
x = 2,596,948,013,412,603,904/2,124,583,474.22 - Step 6: Final answer
x = 1,222,332,774.84
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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.