Finding the Fourth Proportional to 384,104,992.86, 576,158,374.98 and 221,406,102.18
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Solution
The fourth proportional to 384,104,992.86, 576,158,374.98 and 221,406,102.18 is: 332,109,663.80
Step by Step Solution
- Step 1: Write the proportion equation
384,104,992.86 : 576,158,374.98 = 221,406,102.18 : x - Step 2: Convert to fraction form
384,104,992.86/576,158,374.98 = 221,406,102.18/x - Step 3: Cross multiply
384,104,992.86x = 576,158,374.98 × 221,406,102.18 - Step 4: Simplify right side
384,104,992.86x = 127,564,980,042,684,640 - Step 5: Solve for x
x = 127,564,980,042,684,640/384,104,992.86 - Step 6: Final answer
x = 332,109,663.80
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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.