Finding the Fourth Proportional to 384,398,688, 576,807,939.12 and 163,035,595.20
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Solution
The fourth proportional to 384,398,688, 576,807,939.12 and 163,035,595.20 is: 244,642,421.02
Step by Step Solution
- Step 1: Write the proportion equation
384,398,688 : 576,807,939.12 = 163,035,595.20 : x - Step 2: Convert to fraction form
384,398,688/576,807,939.12 = 163,035,595.20/x - Step 3: Cross multiply
384,398,688x = 576,807,939.12 × 163,035,595.20 - Step 4: Simplify right side
384,398,688x = 94,040,225,670,514,560 - Step 5: Solve for x
x = 94,040,225,670,514,560/384,398,688 - Step 6: Final answer
x = 244,642,421.02
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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.