Finding the Fourth Proportional to 412,812,641.34, 569,674,076.58 and 224,634,517.74
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Solution
The fourth proportional to 412,812,641.34, 569,674,076.58 and 224,634,517.74 is: 309,991,624.88
Step by Step Solution
- Step 1: Write the proportion equation
412,812,641.34 : 569,674,076.58 = 224,634,517.74 : x - Step 2: Convert to fraction form
412,812,641.34/569,674,076.58 = 224,634,517.74/x - Step 3: Cross multiply
412,812,641.34x = 569,674,076.58 × 224,634,517.74 - Step 4: Simplify right side
412,812,641.34x = 127,968,461,461,528,144 - Step 5: Solve for x
x = 127,968,461,461,528,144/412,812,641.34 - Step 6: Final answer
x = 309,991,624.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.