Finding the Fourth Proportional to 1,293,004,214.80, 1,940,724,043.80 and 680,028,355.60
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Solution
The fourth proportional to 1,293,004,214.80, 1,940,724,043.80 and 680,028,355.60 is: 1,020,682,968.45
Step by Step Solution
- Step 1: Write the proportion equation
1,293,004,214.80 : 1,940,724,043.80 = 680,028,355.60 : x - Step 2: Convert to fraction form
1,293,004,214.80/1,940,724,043.80 = 680,028,355.60/x - Step 3: Cross multiply
1,293,004,214.80x = 1,940,724,043.80 × 680,028,355.60 - Step 4: Simplify right side
1,293,004,214.80x = 1,319,747,380,178,696,448 - Step 5: Solve for x
x = 1,319,747,380,178,696,448/1,293,004,214.80 - Step 6: Final answer
x = 1,020,682,968.45
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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.