Finding the Fourth Proportional to 444,612,628.80, 613,844,319.34 and 286,118,124.18
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Solution
The fourth proportional to 444,612,628.80, 613,844,319.34 and 286,118,124.18 is: 395,022,484.32
Step by Step Solution
- Step 1: Write the proportion equation
444,612,628.80 : 613,844,319.34 = 286,118,124.18 : x - Step 2: Convert to fraction form
444,612,628.80/613,844,319.34 = 286,118,124.18/x - Step 3: Cross multiply
444,612,628.80x = 613,844,319.34 × 286,118,124.18 - Step 4: Simplify right side
444,612,628.80x = 175,631,985,188,109,696 - Step 5: Solve for x
x = 175,631,985,188,109,696/444,612,628.80 - Step 6: Final answer
x = 395,022,484.32
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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.