Finding the Fourth Proportional to 708,588,844.20, 1,062,883,266.30 and 489,776,869.80
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Solution
The fourth proportional to 708,588,844.20, 1,062,883,266.30 and 489,776,869.80 is: 734,665,304.70
Step by Step Solution
- Step 1: Write the proportion equation
708,588,844.20 : 1,062,883,266.30 = 489,776,869.80 : x - Step 2: Convert to fraction form
708,588,844.20/1,062,883,266.30 = 489,776,869.80/x - Step 3: Cross multiply
708,588,844.20x = 1,062,883,266.30 × 489,776,869.80 - Step 4: Simplify right side
708,588,844.20x = 520,575,639,131,213,824 - Step 5: Solve for x
x = 520,575,639,131,213,824/708,588,844.20 - Step 6: Final answer
x = 734,665,304.70
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1.5x scale
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.