Finding the Fourth Proportional to 527,285,723.36, 790,374,926.34 and 177,410,332.38
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Solution
The fourth proportional to 527,285,723.36, 790,374,926.34 and 177,410,332.38 is: 265,929,214.81
Step by Step Solution
- Step 1: Write the proportion equation
527,285,723.36 : 790,374,926.34 = 177,410,332.38 : x - Step 2: Convert to fraction form
527,285,723.36/790,374,926.34 = 177,410,332.38/x - Step 3: Cross multiply
527,285,723.36x = 790,374,926.34 × 177,410,332.38 - Step 4: Simplify right side
527,285,723.36x = 140,220,678,389,753,424 - Step 5: Solve for x
x = 140,220,678,389,753,424/527,285,723.36 - Step 6: Final answer
x = 265,929,214.81
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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.