Finding the Fourth Proportional to 1,227,670,905.79, 1,842,817,270.79 and 528,509,096.11
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Solution
The fourth proportional to 1,227,670,905.79, 1,842,817,270.79 and 528,509,096.11 is: 793,327,988.38
Step by Step Solution
- Step 1: Write the proportion equation
1,227,670,905.79 : 1,842,817,270.79 = 528,509,096.11 : x - Step 2: Convert to fraction form
1,227,670,905.79/1,842,817,270.79 = 528,509,096.11/x - Step 3: Cross multiply
1,227,670,905.79x = 1,842,817,270.79 × 528,509,096.11 - Step 4: Simplify right side
1,227,670,905.79x = 973,945,690,081,120,000 - Step 5: Solve for x
x = 973,945,690,081,120,000/1,227,670,905.79 - Step 6: Final answer
x = 793,327,988.38
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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.