Finding the Fourth Proportional to 751,060,309.93, 1,126,359,886.56 and 519,379,830.79
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Solution
The fourth proportional to 751,060,309.93, 1,126,359,886.56 and 519,379,830.79 is: 778,910,294.63
Step by Step Solution
- Step 1: Write the proportion equation
751,060,309.93 : 1,126,359,886.56 = 519,379,830.79 : x - Step 2: Convert to fraction form
751,060,309.93/1,126,359,886.56 = 519,379,830.79/x - Step 3: Cross multiply
751,060,309.93x = 1,126,359,886.56 × 519,379,830.79 - Step 4: Simplify right side
751,060,309.93x = 585,008,607,290,176,384 - Step 5: Solve for x
x = 585,008,607,290,176,384/751,060,309.93 - Step 6: Final answer
x = 778,910,294.63
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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.