Finding the Fourth Proportional to 2,288,088,021.40, 3,432,579,929.70 and 977,987,541.40
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Solution
The fourth proportional to 2,288,088,021.40, 3,432,579,929.70 and 977,987,541.40 is: 1,467,172,755.03
Step by Step Solution
- Step 1: Write the proportion equation
2,288,088,021.40 : 3,432,579,929.70 = 977,987,541.40 : x - Step 2: Convert to fraction form
2,288,088,021.40/3,432,579,929.70 = 977,987,541.40/x - Step 3: Cross multiply
2,288,088,021.40x = 3,432,579,929.70 × 977,987,541.40 - Step 4: Simplify right side
2,288,088,021.40x = 3,357,020,406,106,287,616 - Step 5: Solve for x
x = 3,357,020,406,106,287,616/2,288,088,021.40 - Step 6: Final answer
x = 1,467,172,755.03
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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.