Finding the Fourth Proportional to 935,715,979,400.20, 1,291,287,072,230.60 and 524,187,354,911.90
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Solution
The fourth proportional to 935,715,979,400.20, 1,291,287,072,230.60 and 524,187,354,911.90 is: 723,378,001,151.99
Step by Step Solution
- Step 1: Write the proportion equation
935,715,979,400.20 : 1,291,287,072,230.60 = 524,187,354,911.90 : x - Step 2: Convert to fraction form
935,715,979,400.20/1,291,287,072,230.60 = 524,187,354,911.90/x - Step 3: Cross multiply
935,715,979,400.20x = 1,291,287,072,230.60 × 524,187,354,911.90 - Step 4: Simplify right side
935,715,979,400.20x = 676,876,354,824,489,920,364,544 - Step 5: Solve for x
x = 676,876,354,824,489,920,364,544/935,715,979,400.20 - Step 6: Final answer
x = 723,378,001,151.99
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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.