Finding the Fourth Proportional to 379,827,309.80, 569,730,335.56 and 121,058,058.08
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Solution
The fourth proportional to 379,827,309.80, 569,730,335.56 and 121,058,058.08 is: 181,583,699.41
Step by Step Solution
- Step 1: Write the proportion equation
379,827,309.80 : 569,730,335.56 = 121,058,058.08 : x - Step 2: Convert to fraction form
379,827,309.80/569,730,335.56 = 121,058,058.08/x - Step 3: Cross multiply
379,827,309.80x = 569,730,335.56 × 121,058,058.08 - Step 4: Simplify right side
379,827,309.80x = 68,970,448,052,160,360 - Step 5: Solve for x
x = 68,970,448,052,160,360/379,827,309.80 - Step 6: Final answer
x = 181,583,699.41
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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.