Finding the Fourth Proportional to 724,102,758.14, 999,367,102.44 and 406,598,647.10
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Solution
The fourth proportional to 724,102,758.14, 999,367,102.44 and 406,598,647.10 is: 561,165,258.99
Step by Step Solution
- Step 1: Write the proportion equation
724,102,758.14 : 999,367,102.44 = 406,598,647.10 : x - Step 2: Convert to fraction form
724,102,758.14/999,367,102.44 = 406,598,647.10/x - Step 3: Cross multiply
724,102,758.14x = 999,367,102.44 × 406,598,647.10 - Step 4: Simplify right side
724,102,758.14x = 406,341,311,808,351,168 - Step 5: Solve for x
x = 406,341,311,808,351,168/724,102,758.14 - Step 6: Final answer
x = 561,165,258.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.