Finding the Fourth Proportional to 562,364,240.81, 776,003,571.68 and 311,462,060.09
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Solution
The fourth proportional to 562,364,240.81, 776,003,571.68 and 311,462,060.09 is: 429,784,921.46
Step by Step Solution
- Step 1: Write the proportion equation
562,364,240.81 : 776,003,571.68 = 311,462,060.09 : x - Step 2: Convert to fraction form
562,364,240.81/776,003,571.68 = 311,462,060.09/x - Step 3: Cross multiply
562,364,240.81x = 776,003,571.68 × 311,462,060.09 - Step 4: Simplify right side
562,364,240.81x = 241,695,671,067,213,408 - Step 5: Solve for x
x = 241,695,671,067,213,408/562,364,240.81 - Step 6: Final answer
x = 429,784,921.46
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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.