Finding the Fourth Proportional to 798,528,094.80, 1,197,792,142.20 and 193,368,670.80
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Solution
The fourth proportional to 798,528,094.80, 1,197,792,142.20 and 193,368,670.80 is: 290,053,006.20
Step by Step Solution
- Step 1: Write the proportion equation
798,528,094.80 : 1,197,792,142.20 = 193,368,670.80 : x - Step 2: Convert to fraction form
798,528,094.80/1,197,792,142.20 = 193,368,670.80/x - Step 3: Cross multiply
798,528,094.80x = 1,197,792,142.20 × 193,368,670.80 - Step 4: Simplify right side
798,528,094.80x = 231,615,474,431,898,624 - Step 5: Solve for x
x = 231,615,474,431,898,624/798,528,094.80 - Step 6: Final answer
x = 290,053,006.20
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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.