Finding the Fourth Proportional to 286,838,251.60, 430,257,377.40 and 183,526,121.20
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Solution
The fourth proportional to 286,838,251.60, 430,257,377.40 and 183,526,121.20 is: 275,289,181.80
Step by Step Solution
- Step 1: Write the proportion equation
286,838,251.60 : 430,257,377.40 = 183,526,121.20 : x - Step 2: Convert to fraction form
286,838,251.60/430,257,377.40 = 183,526,121.20/x - Step 3: Cross multiply
286,838,251.60x = 430,257,377.40 × 183,526,121.20 - Step 4: Simplify right side
286,838,251.60x = 78,963,467,591,906,528 - Step 5: Solve for x
x = 78,963,467,591,906,528/286,838,251.60 - Step 6: Final answer
x = 275,289,181.80
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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.