Finding the Fourth Proportional to 299,610,304.13, 449,415,456.20 and 84,199,552.13
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Solution
The fourth proportional to 299,610,304.13, 449,415,456.20 and 84,199,552.13 is: 126,299,328.19
Step by Step Solution
- Step 1: Write the proportion equation
299,610,304.13 : 449,415,456.20 = 84,199,552.13 : x - Step 2: Convert to fraction form
299,610,304.13/449,415,456.20 = 84,199,552.13/x - Step 3: Cross multiply
299,610,304.13x = 449,415,456.20 × 84,199,552.13 - Step 4: Simplify right side
299,610,304.13x = 37,840,580,129,671,560 - Step 5: Solve for x
x = 37,840,580,129,671,560/299,610,304.13 - Step 6: Final answer
x = 126,299,328.19
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1.5x scale
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.