Finding the Fourth Proportional to 798,352,823.60, 1,197,529,235.40 and 368,371,127.60
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Solution
The fourth proportional to 798,352,823.60, 1,197,529,235.40 and 368,371,127.60 is: 552,556,691.40
Step by Step Solution
- Step 1: Write the proportion equation
798,352,823.60 : 1,197,529,235.40 = 368,371,127.60 : x - Step 2: Convert to fraction form
798,352,823.60/1,197,529,235.40 = 368,371,127.60/x - Step 3: Cross multiply
798,352,823.60x = 1,197,529,235.40 × 368,371,127.60 - Step 4: Simplify right side
798,352,823.60x = 441,135,194,778,263,872 - Step 5: Solve for x
x = 441,135,194,778,263,872/798,352,823.60 - Step 6: Final answer
x = 552,556,691.40
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Similar ratio
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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.