Finding the Fourth Proportional to 3,749,624,107.86, 5,625,528,271.89 and 1,678,861,594.02
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Solution
The fourth proportional to 3,749,624,107.86, 5,625,528,271.89 and 1,678,861,594.02 is: 2,518,781,373.83
Step by Step Solution
- Step 1: Write the proportion equation
3,749,624,107.86 : 5,625,528,271.89 = 1,678,861,594.02 : x - Step 2: Convert to fraction form
3,749,624,107.86/5,625,528,271.89 = 1,678,861,594.02/x - Step 3: Cross multiply
3,749,624,107.86x = 5,625,528,271.89 × 1,678,861,594.02 - Step 4: Simplify right side
3,749,624,107.86x = 9,444,483,361,749,821,440 - Step 5: Solve for x
x = 9,444,483,361,749,821,440/3,749,624,107.86 - Step 6: Final answer
x = 2,518,781,373.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.