Finding the Fourth Proportional to 1,916,160,740.68, 2,873,807,443.50 and 880,025,536.84
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Solution
The fourth proportional to 1,916,160,740.68, 2,873,807,443.50 and 880,025,536.84 is: 1,319,839,136.95
Step by Step Solution
- Step 1: Write the proportion equation
1,916,160,740.68 : 2,873,807,443.50 = 880,025,536.84 : x - Step 2: Convert to fraction form
1,916,160,740.68/2,873,807,443.50 = 880,025,536.84/x - Step 3: Cross multiply
1,916,160,740.68x = 2,873,807,443.50 × 880,025,536.84 - Step 4: Simplify right side
1,916,160,740.68x = 2,529,023,938,240,875,520 - Step 5: Solve for x
x = 2,529,023,938,240,875,520/1,916,160,740.68 - Step 6: Final answer
x = 1,319,839,136.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.