Finding the Fourth Proportional to 292,413,703.20, 438,620,554.80 and 246,497,200.80
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Solution
The fourth proportional to 292,413,703.20, 438,620,554.80 and 246,497,200.80 is: 369,745,801.20
Step by Step Solution
- Step 1: Write the proportion equation
292,413,703.20 : 438,620,554.80 = 246,497,200.80 : x - Step 2: Convert to fraction form
292,413,703.20/438,620,554.80 = 246,497,200.80/x - Step 3: Cross multiply
292,413,703.20x = 438,620,554.80 × 246,497,200.80 - Step 4: Simplify right side
292,413,703.20x = 108,118,738,971,543,008 - Step 5: Solve for x
x = 108,118,738,971,543,008/292,413,703.20 - Step 6: Final answer
x = 369,745,801.20
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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.