Finding the Fourth Proportional to 432,729,810.11, 649,099,701.48 and 156,402,010.19
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Solution
The fourth proportional to 432,729,810.11, 649,099,701.48 and 156,402,010.19 is: 234,604,817.49
Step by Step Solution
- Step 1: Write the proportion equation
432,729,810.11 : 649,099,701.48 = 156,402,010.19 : x - Step 2: Convert to fraction form
432,729,810.11/649,099,701.48 = 156,402,010.19/x - Step 3: Cross multiply
432,729,810.11x = 649,099,701.48 × 156,402,010.19 - Step 4: Simplify right side
432,729,810.11x = 101,520,498,121,955,424 - Step 5: Solve for x
x = 101,520,498,121,955,424/432,729,810.11 - Step 6: Final answer
x = 234,604,817.49
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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.