Finding the Fourth Proportional to 576,211,630.41, 864,454,947.75 and 188,035,182.99
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Solution
The fourth proportional to 576,211,630.41, 864,454,947.75 and 188,035,182.99 is: 282,097,645.57
Step by Step Solution
- Step 1: Write the proportion equation
576,211,630.41 : 864,454,947.75 = 188,035,182.99 : x - Step 2: Convert to fraction form
576,211,630.41/864,454,947.75 = 188,035,182.99/x - Step 3: Cross multiply
576,211,630.41x = 864,454,947.75 × 188,035,182.99 - Step 4: Simplify right side
576,211,630.41x = 162,547,944,286,782,144 - Step 5: Solve for x
x = 162,547,944,286,782,144/576,211,630.41 - Step 6: Final answer
x = 282,097,645.57
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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.