Finding the Fourth Proportional to 291,523,280.65, 437,285,751.12 and 84,278,562.48
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Solution
The fourth proportional to 291,523,280.65, 437,285,751.12 and 84,278,562.48 is: 126,418,083.71
Step by Step Solution
- Step 1: Write the proportion equation
291,523,280.65 : 437,285,751.12 = 84,278,562.48 : x - Step 2: Convert to fraction form
291,523,280.65/437,285,751.12 = 84,278,562.48/x - Step 3: Cross multiply
291,523,280.65x = 437,285,751.12 × 84,278,562.48 - Step 4: Simplify right side
291,523,280.65x = 36,853,814,497,380,656 - Step 5: Solve for x
x = 36,853,814,497,380,656/291,523,280.65 - Step 6: Final answer
x = 126,418,083.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.