Finding the Fourth Proportional to 614,415,112.42, 921,623,555.61 and 250,909,468.42
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Solution
The fourth proportional to 614,415,112.42, 921,623,555.61 and 250,909,468.42 is: 376,364,564.85
Step by Step Solution
- Step 1: Write the proportion equation
614,415,112.42 : 921,623,555.61 = 250,909,468.42 : x - Step 2: Convert to fraction form
614,415,112.42/921,623,555.61 = 250,909,468.42/x - Step 3: Cross multiply
614,415,112.42x = 921,623,555.61 × 250,909,468.42 - Step 4: Simplify right side
614,415,112.42x = 231,244,076,421,455,392 - Step 5: Solve for x
x = 231,244,076,421,455,392/614,415,112.42 - Step 6: Final answer
x = 376,364,564.85
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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.