Finding the Fourth Proportional to 331,180,202.31, 457,031,701.65 and 182,506,657.79
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Solution
The fourth proportional to 331,180,202.31, 457,031,701.65 and 182,506,657.79 is: 251,860,853.37
Step by Step Solution
- Step 1: Write the proportion equation
331,180,202.31 : 457,031,701.65 = 182,506,657.79 : x - Step 2: Convert to fraction form
331,180,202.31/457,031,701.65 = 182,506,657.79/x - Step 3: Cross multiply
331,180,202.31x = 457,031,701.65 × 182,506,657.79 - Step 4: Simplify right side
331,180,202.31x = 83,411,328,372,217,920 - Step 5: Solve for x
x = 83,411,328,372,217,920/331,180,202.31 - Step 6: Final answer
x = 251,860,853.37
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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.