Finding the Fourth Proportional to 1,622,757,202.31, 2,433,515,314.95 and 885,433,011.11
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Solution
The fourth proportional to 1,622,757,202.31, 2,433,515,314.95 and 885,433,011.11 is: 1,327,810,956.45
Step by Step Solution
- Step 1: Write the proportion equation
1,622,757,202.31 : 2,433,515,314.95 = 885,433,011.11 : x - Step 2: Convert to fraction form
1,622,757,202.31/2,433,515,314.95 = 885,433,011.11/x - Step 3: Cross multiply
1,622,757,202.31x = 2,433,515,314.95 × 885,433,011.11 - Step 4: Simplify right side
1,622,757,202.31x = 2,154,714,792,886,310,912 - Step 5: Solve for x
x = 2,154,714,792,886,310,912/1,622,757,202.31 - Step 6: Final answer
x = 1,327,810,956.45
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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.