Finding the Fourth Proportional to 1,554,036,128,626.10, 2,144,425,938,356.70 and 859,561,739,403.90
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Solution
The fourth proportional to 1,554,036,128,626.10, 2,144,425,938,356.70 and 859,561,739,403.90 is: 1,186,115,596,441.33
Step by Step Solution
- Step 1: Write the proportion equation
1,554,036,128,626.10 : 2,144,425,938,356.70 = 859,561,739,403.90 : x - Step 2: Convert to fraction form
1,554,036,128,626.10/2,144,425,938,356.70 = 859,561,739,403.90/x - Step 3: Cross multiply
1,554,036,128,626.10x = 2,144,425,938,356.70 × 859,561,739,403.90 - Step 4: Simplify right side
1,554,036,128,626.10x = 1,843,266,489,596,725,459,681,280 - Step 5: Solve for x
x = 1,843,266,489,596,725,459,681,280/1,554,036,128,626.10 - Step 6: Final answer
x = 1,186,115,596,441.33
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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.