Finding the Fourth Proportional to 372,999,014.40, 558,901,324.80 and 236,440,012.80
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Solution
The fourth proportional to 372,999,014.40, 558,901,324.80 and 236,440,012.80 is: 354,281,462.65
Step by Step Solution
- Step 1: Write the proportion equation
372,999,014.40 : 558,901,324.80 = 236,440,012.80 : x - Step 2: Convert to fraction form
372,999,014.40/558,901,324.80 = 236,440,012.80/x - Step 3: Cross multiply
372,999,014.40x = 558,901,324.80 × 236,440,012.80 - Step 4: Simplify right side
372,999,014.40x = 132,146,636,389,648,960 - Step 5: Solve for x
x = 132,146,636,389,648,960/372,999,014.40 - Step 6: Final answer
x = 354,281,462.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.