Finding the Fourth Proportional to 527,285,713.48, 790,374,911.54 and 177,410,322.50
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Solution
The fourth proportional to 527,285,713.48, 790,374,911.54 and 177,410,322.50 is: 265,929,199.99
Step by Step Solution
- Step 1: Write the proportion equation
527,285,713.48 : 790,374,911.54 = 177,410,322.50 : x - Step 2: Convert to fraction form
527,285,713.48/790,374,911.54 = 177,410,322.50/x - Step 3: Cross multiply
527,285,713.48x = 790,374,911.54 × 177,410,322.50 - Step 4: Simplify right side
527,285,713.48x = 140,220,667,952,220,368 - Step 5: Solve for x
x = 140,220,667,952,220,368/527,285,713.48 - Step 6: Final answer
x = 265,929,199.99
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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.