Finding the Fourth Proportional to 363,465,421,858.75, 545,209,239,733.70 and 124,696,721,656.65
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Solution
The fourth proportional to 363,465,421,858.75, 545,209,239,733.70 and 124,696,721,656.65 is: 187,048,893,025.45
Step by Step Solution
- Step 1: Write the proportion equation
363,465,421,858.75 : 545,209,239,733.70 = 124,696,721,656.65 : x - Step 2: Convert to fraction form
363,465,421,858.75/545,209,239,733.70 = 124,696,721,656.65/x - Step 3: Cross multiply
363,465,421,858.75x = 545,209,239,733.70 × 124,696,721,656.65 - Step 4: Simplify right side
363,465,421,858.75x = 67,985,804,811,706,950,483,968 - Step 5: Solve for x
x = 67,985,804,811,706,950,483,968/363,465,421,858.75 - Step 6: Final answer
x = 187,048,893,025.45
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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.