Finding the Fourth Proportional to 579,376,783.96, 799,560,987.12 and 331,905,967.84
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Solution
The fourth proportional to 579,376,783.96, 799,560,987.12 and 331,905,967.84 is: 458,042,280.30
Step by Step Solution
- Step 1: Write the proportion equation
579,376,783.96 : 799,560,987.12 = 331,905,967.84 : x - Step 2: Convert to fraction form
579,376,783.96/799,560,987.12 = 331,905,967.84/x - Step 3: Cross multiply
579,376,783.96x = 799,560,987.12 × 331,905,967.84 - Step 4: Simplify right side
579,376,783.96x = 265,379,063,277,169,344 - Step 5: Solve for x
x = 265,379,063,277,169,344/579,376,783.96 - Step 6: Final answer
x = 458,042,280.30
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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.