Finding the Fourth Proportional to 497,927,597.76, 687,141,035.76 and 274,909,710.88
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Solution
The fourth proportional to 497,927,597.76, 687,141,035.76 and 274,909,710.88 is: 379,375,925.99
Step by Step Solution
- Step 1: Write the proportion equation
497,927,597.76 : 687,141,035.76 = 274,909,710.88 : x - Step 2: Convert to fraction form
497,927,597.76/687,141,035.76 = 274,909,710.88/x - Step 3: Cross multiply
497,927,597.76x = 687,141,035.76 × 274,909,710.88 - Step 4: Simplify right side
497,927,597.76x = 188,901,743,474,565,344 - Step 5: Solve for x
x = 188,901,743,474,565,344/497,927,597.76 - Step 6: Final answer
x = 379,375,925.99
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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.