Finding the Fourth Proportional to 1,666,163,453.04, 2,299,539,791.34 and 1,031,287,583.34
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Solution
The fourth proportional to 1,666,163,453.04, 2,299,539,791.34 and 1,031,287,583.34 is: 1,423,321,841.49
Step by Step Solution
- Step 1: Write the proportion equation
1,666,163,453.04 : 2,299,539,791.34 = 1,031,287,583.34 : x - Step 2: Convert to fraction form
1,666,163,453.04/2,299,539,791.34 = 1,031,287,583.34/x - Step 3: Cross multiply
1,666,163,453.04x = 2,299,539,791.34 × 1,031,287,583.34 - Step 4: Simplify right side
1,666,163,453.04x = 2,371,486,834,205,196,800 - Step 5: Solve for x
x = 2,371,486,834,205,196,800/1,666,163,453.04 - Step 6: Final answer
x = 1,423,321,841.49
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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.