Finding the Fourth Proportional to 883,147,213.76, 1,218,751,214.91 and 486,684,428.36
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Solution
The fourth proportional to 883,147,213.76, 1,218,751,214.91 and 486,684,428.36 is: 671,628,952.80
Step by Step Solution
- Step 1: Write the proportion equation
883,147,213.76 : 1,218,751,214.91 = 486,684,428.36 : x - Step 2: Convert to fraction form
883,147,213.76/1,218,751,214.91 = 486,684,428.36/x - Step 3: Cross multiply
883,147,213.76x = 1,218,751,214.91 × 486,684,428.36 - Step 4: Simplify right side
883,147,213.76x = 593,147,238,341,528,960 - Step 5: Solve for x
x = 593,147,238,341,528,960/883,147,213.76 - Step 6: Final answer
x = 671,628,952.80
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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.