Finding the Fourth Proportional to 279,295,626.68, 418,955,231.34 and 82,559,490
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Solution
The fourth proportional to 279,295,626.68, 418,955,231.34 and 82,559,490 is: 123,842,720.50
Step by Step Solution
- Step 1: Write the proportion equation
279,295,626.68 : 418,955,231.34 = 82,559,490 : x - Step 2: Convert to fraction form
279,295,626.68/418,955,231.34 = 82,559,490/x - Step 3: Cross multiply
279,295,626.68x = 418,955,231.34 × 82,559,490 - Step 4: Simplify right side
279,295,626.68x = 34,588,730,232,262,416 - Step 5: Solve for x
x = 34,588,730,232,262,416/279,295,626.68 - Step 6: Final answer
x = 123,842,720.50
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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.