Finding the Fourth Proportional to 450,852,257.61, 676,509,780.60 and 214,769,139.62
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Solution
The fourth proportional to 450,852,257.61, 676,509,780.60 and 214,769,139.62 is: 322,263,936.95
Step by Step Solution
- Step 1: Write the proportion equation
450,852,257.61 : 676,509,780.60 = 214,769,139.62 : x - Step 2: Convert to fraction form
450,852,257.61/676,509,780.60 = 214,769,139.62/x - Step 3: Cross multiply
450,852,257.61x = 676,509,780.60 × 214,769,139.62 - Step 4: Simplify right side
450,852,257.61x = 145,293,423,520,594,432 - Step 5: Solve for x
x = 145,293,423,520,594,432/450,852,257.61 - Step 6: Final answer
x = 322,263,936.95
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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.