Finding the Fourth Proportional to 550,528,979.63, 759,736,202.24 and 299,634,977.70
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Solution
The fourth proportional to 550,528,979.63, 759,736,202.24 and 299,634,977.70 is: 413,499,649.32
Step by Step Solution
- Step 1: Write the proportion equation
550,528,979.63 : 759,736,202.24 = 299,634,977.70 : x - Step 2: Convert to fraction form
550,528,979.63/759,736,202.24 = 299,634,977.70/x - Step 3: Cross multiply
550,528,979.63x = 759,736,202.24 × 299,634,977.70 - Step 4: Simplify right side
550,528,979.63x = 227,643,540,014,566,912 - Step 5: Solve for x
x = 227,643,540,014,566,912/550,528,979.63 - Step 6: Final answer
x = 413,499,649.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.