Finding the Fourth Proportional to 290,724,799.84, 435,842,072.58 and 126,842,353.96
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Solution
The fourth proportional to 290,724,799.84, 435,842,072.58 and 126,842,353.96 is: 190,156,582.69
Step by Step Solution
- Step 1: Write the proportion equation
290,724,799.84 : 435,842,072.58 = 126,842,353.96 : x - Step 2: Convert to fraction form
290,724,799.84/435,842,072.58 = 126,842,353.96/x - Step 3: Cross multiply
290,724,799.84x = 435,842,072.58 × 126,842,353.96 - Step 4: Simplify right side
290,724,799.84x = 55,283,234,440,852,368 - Step 5: Solve for x
x = 55,283,234,440,852,368/290,724,799.84 - Step 6: Final answer
x = 190,156,582.69
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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.