Finding the Fourth Proportional to 2,740,368,905.16, 3,781,712,738.14 and 1,487,305,761
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Solution
The fourth proportional to 2,740,368,905.16, 3,781,712,738.14 and 1,487,305,761 is: 2,052,483,930.65
Step by Step Solution
- Step 1: Write the proportion equation
2,740,368,905.16 : 3,781,712,738.14 = 1,487,305,761 : x - Step 2: Convert to fraction form
2,740,368,905.16/3,781,712,738.14 = 1,487,305,761/x - Step 3: Cross multiply
2,740,368,905.16x = 3,781,712,738.14 × 1,487,305,761 - Step 4: Simplify right side
2,740,368,905.16x = 5,624,563,141,882,705,920 - Step 5: Solve for x
x = 5,624,563,141,882,705,920/2,740,368,905.16 - Step 6: Final answer
x = 2,052,483,930.65
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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.