Finding the Fourth Proportional to 605,345,490.20, 908,018,235.30 and 168,713,564.60
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Solution
The fourth proportional to 605,345,490.20, 908,018,235.30 and 168,713,564.60 is: 253,070,346.90
Step by Step Solution
- Step 1: Write the proportion equation
605,345,490.20 : 908,018,235.30 = 168,713,564.60 : x - Step 2: Convert to fraction form
605,345,490.20/908,018,235.30 = 168,713,564.60/x - Step 3: Cross multiply
605,345,490.20x = 908,018,235.30 × 168,713,564.60 - Step 4: Simplify right side
605,345,490.20x = 153,194,993,199,264,544 - Step 5: Solve for x
x = 153,194,993,199,264,544/605,345,490.20 - Step 6: Final answer
x = 253,070,346.90
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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.