Finding the Fourth Proportional to 1,164,921,979.44, 1,747,389,501 and 388,565,509.44
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Solution
The fourth proportional to 1,164,921,979.44, 1,747,389,501 and 388,565,509.44 is: 582,850,442.89
Step by Step Solution
- Step 1: Write the proportion equation
1,164,921,979.44 : 1,747,389,501 = 388,565,509.44 : x - Step 2: Convert to fraction form
1,164,921,979.44/1,747,389,501 = 388,565,509.44/x - Step 3: Cross multiply
1,164,921,979.44x = 1,747,389,501 × 388,565,509.44 - Step 4: Simplify right side
1,164,921,979.44x = 678,975,291,646,172,416 - Step 5: Solve for x
x = 678,975,291,646,172,416/1,164,921,979.44 - Step 6: Final answer
x = 582,850,442.89
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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.