Finding the Fourth Proportional to 331,180,248.36, 457,031,765.46 and 182,506,703.94
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Solution
The fourth proportional to 331,180,248.36, 457,031,765.46 and 182,506,703.94 is: 251,860,917.20
Step by Step Solution
- Step 1: Write the proportion equation
331,180,248.36 : 457,031,765.46 = 182,506,703.94 : x - Step 2: Convert to fraction form
331,180,248.36/457,031,765.46 = 182,506,703.94/x - Step 3: Cross multiply
331,180,248.36x = 457,031,765.46 × 182,506,703.94 - Step 4: Simplify right side
331,180,248.36x = 83,411,361,109,983,728 - Step 5: Solve for x
x = 83,411,361,109,983,728/331,180,248.36 - Step 6: Final answer
x = 251,860,917.20
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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.