Finding the Fourth Proportional to 409,610,070.75, 614,415,697.47 and 167,272,974.75
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Solution
The fourth proportional to 409,610,070.75, 614,415,697.47 and 167,272,974.75 is: 250,909,703.61
Step by Step Solution
- Step 1: Write the proportion equation
409,610,070.75 : 614,415,697.47 = 167,272,974.75 : x - Step 2: Convert to fraction form
409,610,070.75/614,415,697.47 = 167,272,974.75/x - Step 3: Cross multiply
409,610,070.75x = 614,415,697.47 × 167,272,974.75 - Step 4: Simplify right side
409,610,070.75x = 102,775,141,448,902,960 - Step 5: Solve for x
x = 102,775,141,448,902,960/409,610,070.75 - Step 6: Final answer
x = 250,909,703.61
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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.