Finding the Fourth Proportional to 372,276,994.20, 558,415,491.30 and 247,441,503.30
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Solution
The fourth proportional to 372,276,994.20, 558,415,491.30 and 247,441,503.30 is: 371,162,254.95
Step by Step Solution
- Step 1: Write the proportion equation
372,276,994.20 : 558,415,491.30 = 247,441,503.30 : x - Step 2: Convert to fraction form
372,276,994.20/558,415,491.30 = 247,441,503.30/x - Step 3: Cross multiply
372,276,994.20x = 558,415,491.30 × 247,441,503.30 - Step 4: Simplify right side
372,276,994.20x = 138,175,168,633,280,064 - Step 5: Solve for x
x = 138,175,168,633,280,064/372,276,994.20 - Step 6: Final answer
x = 371,162,254.95
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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.