Finding the Fourth Proportional to 1,422,368,091,974.10, 1,962,817,180,357.10 and 805,057,556,191.08
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Solution
The fourth proportional to 1,422,368,091,974.10, 1,962,817,180,357.10 and 805,057,556,191.08 is: 1,110,950,682,446.08
Step by Step Solution
- Step 1: Write the proportion equation
1,422,368,091,974.10 : 1,962,817,180,357.10 = 805,057,556,191.08 : x - Step 2: Convert to fraction form
1,422,368,091,974.10/1,962,817,180,357.10 = 805,057,556,191.08/x - Step 3: Cross multiply
1,422,368,091,974.10x = 1,962,817,180,357.10 × 805,057,556,191.08 - Step 4: Simplify right side
1,422,368,091,974.10x = 1,580,180,802,468,153,118,425,088 - Step 5: Solve for x
x = 1,580,180,802,468,153,118,425,088/1,422,368,091,974.10 - Step 6: Final answer
x = 1,110,950,682,446.08
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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.