Finding the Fourth Proportional to 1,617,001,108.62, 2,425,258,381.06 and 452,318,632.62
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Solution
The fourth proportional to 1,617,001,108.62, 2,425,258,381.06 and 452,318,632.62 is: 678,409,896.46
Step by Step Solution
- Step 1: Write the proportion equation
1,617,001,108.62 : 2,425,258,381.06 = 452,318,632.62 : x - Step 2: Convert to fraction form
1,617,001,108.62/2,425,258,381.06 = 452,318,632.62/x - Step 3: Cross multiply
1,617,001,108.62x = 2,425,258,381.06 × 452,318,632.62 - Step 4: Simplify right side
1,617,001,108.62x = 1,096,989,554,671,254,144 - Step 5: Solve for x
x = 1,096,989,554,671,254,144/1,617,001,108.62 - Step 6: Final answer
x = 678,409,896.46
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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.