Finding the Fourth Proportional to 2,125,764,981.48, 2,933,551,343.73 and 1,185,911,572.98
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Solution
The fourth proportional to 2,125,764,981.48, 2,933,551,343.73 and 1,185,911,572.98 is: 1,636,555,554.72
Step by Step Solution
- Step 1: Write the proportion equation
2,125,764,981.48 : 2,933,551,343.73 = 1,185,911,572.98 : x - Step 2: Convert to fraction form
2,125,764,981.48/2,933,551,343.73 = 1,185,911,572.98/x - Step 3: Cross multiply
2,125,764,981.48x = 2,933,551,343.73 × 1,185,911,572.98 - Step 4: Simplify right side
2,125,764,981.48x = 3,478,932,488,460,436,992 - Step 5: Solve for x
x = 3,478,932,488,460,436,992/2,125,764,981.48 - Step 6: Final answer
x = 1,636,555,554.72
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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.