Finding the Fourth Proportional to 4,962,445,218.99, 7,445,865,985.91 and 2,601,044,980.94
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Solution
The fourth proportional to 4,962,445,218.99, 7,445,865,985.91 and 2,601,044,980.94 is: 3,902,719,626.46
Step by Step Solution
- Step 1: Write the proportion equation
4,962,445,218.99 : 7,445,865,985.91 = 2,601,044,980.94 : x - Step 2: Convert to fraction form
4,962,445,218.99/7,445,865,985.91 = 2,601,044,980.94/x - Step 3: Cross multiply
4,962,445,218.99x = 7,445,865,985.91 × 2,601,044,980.94 - Step 4: Simplify right side
4,962,445,218.99x = 19,367,032,351,403,069,440 - Step 5: Solve for x
x = 19,367,032,351,403,069,440/4,962,445,218.99 - Step 6: Final answer
x = 3,902,719,626.46
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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.