Finding the Fourth Proportional to 1,479,822,996.80, 2,041,896,153.18 and 844,453,394.84
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Solution
The fourth proportional to 1,479,822,996.80, 2,041,896,153.18 and 844,453,394.84 is: 1,165,197,555.51
Step by Step Solution
- Step 1: Write the proportion equation
1,479,822,996.80 : 2,041,896,153.18 = 844,453,394.84 : x - Step 2: Convert to fraction form
1,479,822,996.80/2,041,896,153.18 = 844,453,394.84/x - Step 3: Cross multiply
1,479,822,996.80x = 2,041,896,153.18 × 844,453,394.84 - Step 4: Simplify right side
1,479,822,996.80x = 1,724,286,138,463,587,840 - Step 5: Solve for x
x = 1,724,286,138,463,587,840/1,479,822,996.80 - Step 6: Final answer
x = 1,165,197,555.51
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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.