Finding the Fourth Proportional to 3,888,461,807.36, 5,832,707,843.36 and 940,736,695.76
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Solution
The fourth proportional to 3,888,461,807.36, 5,832,707,843.36 and 940,736,695.76 is: 1,411,108,704.61
Step by Step Solution
- Step 1: Write the proportion equation
3,888,461,807.36 : 5,832,707,843.36 = 940,736,695.76 : x - Step 2: Convert to fraction form
3,888,461,807.36/5,832,707,843.36 = 940,736,695.76/x - Step 3: Cross multiply
3,888,461,807.36x = 5,832,707,843.36 × 940,736,695.76 - Step 4: Simplify right side
3,888,461,807.36x = 5,487,042,303,895,921,664 - Step 5: Solve for x
x = 5,487,042,303,895,921,664/3,888,461,807.36 - Step 6: Final answer
x = 1,411,108,704.61
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1.5x scale
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.