Finding the Fourth Proportional to 2,101,248,551.20, 3,151,872,826.80 and 2,072,583,104.80
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Solution
The fourth proportional to 2,101,248,551.20, 3,151,872,826.80 and 2,072,583,104.80 is: 3,108,874,657.20
Step by Step Solution
- Step 1: Write the proportion equation
2,101,248,551.20 : 3,151,872,826.80 = 2,072,583,104.80 : x - Step 2: Convert to fraction form
2,101,248,551.20/3,151,872,826.80 = 2,072,583,104.80/x - Step 3: Cross multiply
2,101,248,551.20x = 3,151,872,826.80 × 2,072,583,104.80 - Step 4: Simplify right side
2,101,248,551.20x = 6,532,518,369,303,897,088 - Step 5: Solve for x
x = 6,532,518,369,303,897,088/2,101,248,551.20 - Step 6: Final answer
x = 3,108,874,657.20
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Double scale
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1.5x scale
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.