Finding the Fourth Proportional to 1,609,583,166,417.40, 2,221,231,675,261 and 877,987,516,226.20
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Solution
The fourth proportional to 1,609,583,166,417.40, 2,221,231,675,261 and 877,987,516,226.20 is: 1,211,626,539,227.63
Step by Step Solution
- Step 1: Write the proportion equation
1,609,583,166,417.40 : 2,221,231,675,261 = 877,987,516,226.20 : x - Step 2: Convert to fraction form
1,609,583,166,417.40/2,221,231,675,261 = 877,987,516,226.20/x - Step 3: Cross multiply
1,609,583,166,417.40x = 2,221,231,675,261 × 877,987,516,226.20 - Step 4: Simplify right side
1,609,583,166,417.40x = 1,950,213,681,525,366,556,983,296 - Step 5: Solve for x
x = 1,950,213,681,525,366,556,983,296/1,609,583,166,417.40 - Step 6: Final answer
x = 1,211,626,539,227.63
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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.