Finding the Fourth Proportional to 8,161,610,412.51, 11,266,497,676.51 and 5,486,941,801.98
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Solution
The fourth proportional to 8,161,610,412.51, 11,266,497,676.51 and 5,486,941,801.98 is: 7,574,316,089.43
Step by Step Solution
- Step 1: Write the proportion equation
8,161,610,412.51 : 11,266,497,676.51 = 5,486,941,801.98 : x - Step 2: Convert to fraction form
8,161,610,412.51/11,266,497,676.51 = 5,486,941,801.98/x - Step 3: Cross multiply
8,161,610,412.51x = 11,266,497,676.51 × 5,486,941,801.98 - Step 4: Simplify right side
8,161,610,412.51x = 61,818,617,063,136,796,672 - Step 5: Solve for x
x = 61,818,617,063,136,796,672/8,161,610,412.51 - Step 6: Final answer
x = 7,574,316,089.43
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1.5x scale
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.