Finding the Fourth Proportional to 1,540,090,905.92, 2,309,972,591.99 and 434,668,431.68
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Solution
The fourth proportional to 1,540,090,905.92, 2,309,972,591.99 and 434,668,431.68 is: 651,956,426.67
Step by Step Solution
- Step 1: Write the proportion equation
1,540,090,905.92 : 2,309,972,591.99 = 434,668,431.68 : x - Step 2: Convert to fraction form
1,540,090,905.92/2,309,972,591.99 = 434,668,431.68/x - Step 3: Cross multiply
1,540,090,905.92x = 2,309,972,591.99 × 434,668,431.68 - Step 4: Simplify right side
1,540,090,905.92x = 1,004,072,163,773,614,592 - Step 5: Solve for x
x = 1,004,072,163,773,614,592/1,540,090,905.92 - Step 6: Final answer
x = 651,956,426.67
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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.