Finding the Fourth Proportional to 464,693,821.83, 696,785,466.11 and 319,163,998.95
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Solution
The fourth proportional to 464,693,821.83, 696,785,466.11 and 319,163,998.95 is: 478,570,674.55
Step by Step Solution
- Step 1: Write the proportion equation
464,693,821.83 : 696,785,466.11 = 319,163,998.95 : x - Step 2: Convert to fraction form
464,693,821.83/696,785,466.11 = 319,163,998.95/x - Step 3: Cross multiply
464,693,821.83x = 696,785,466.11 × 319,163,998.95 - Step 4: Simplify right side
464,693,821.83x = 222,388,835,772,311,488 - Step 5: Solve for x
x = 222,388,835,772,311,488/464,693,821.83 - Step 6: Final answer
x = 478,570,674.55
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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.