Finding the Fourth Proportional to 2,545,121,868.93, 3,512,213,143.20 and 1,473,470,386.61
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Solution
The fourth proportional to 2,545,121,868.93, 3,512,213,143.20 and 1,473,470,386.61 is: 2,033,357,271.07
Step by Step Solution
- Step 1: Write the proportion equation
2,545,121,868.93 : 3,512,213,143.20 = 1,473,470,386.61 : x - Step 2: Convert to fraction form
2,545,121,868.93/3,512,213,143.20 = 1,473,470,386.61/x - Step 3: Cross multiply
2,545,121,868.93x = 3,512,213,143.20 × 1,473,470,386.61 - Step 4: Simplify right side
2,545,121,868.93x = 5,175,142,057,950,065,664 - Step 5: Solve for x
x = 5,175,142,057,950,065,664/2,545,121,868.93 - Step 6: Final answer
x = 2,033,357,271.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.