Finding the Fourth Proportional to 487,843,988,555.36, 673,240,849,543.17 and 268,120,468,882.54
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Solution
The fourth proportional to 487,843,988,555.36, 673,240,849,543.17 and 268,120,468,882.54 is: 370,015,120,581.75
Step by Step Solution
- Step 1: Write the proportion equation
487,843,988,555.36 : 673,240,849,543.17 = 268,120,468,882.54 : x - Step 2: Convert to fraction form
487,843,988,555.36/673,240,849,543.17 = 268,120,468,882.54/x - Step 3: Cross multiply
487,843,988,555.36x = 673,240,849,543.17 × 268,120,468,882.54 - Step 4: Simplify right side
487,843,988,555.36x = 180,509,652,250,394,313,621,504 - Step 5: Solve for x
x = 180,509,652,250,394,313,621,504/487,843,988,555.36 - Step 6: Final answer
x = 370,015,120,581.75
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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.