Finding the Fourth Proportional to 364,378,630.02, 502,830,002.79 and 207,796,133.18
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Solution
The fourth proportional to 364,378,630.02, 502,830,002.79 and 207,796,133.18 is: 286,751,531.55
Step by Step Solution
- Step 1: Write the proportion equation
364,378,630.02 : 502,830,002.79 = 207,796,133.18 : x - Step 2: Convert to fraction form
364,378,630.02/502,830,002.79 = 207,796,133.18/x - Step 3: Cross multiply
364,378,630.02x = 502,830,002.79 × 207,796,133.18 - Step 4: Simplify right side
364,378,630.02x = 104,486,130,224,136,480 - Step 5: Solve for x
x = 104,486,130,224,136,480/364,378,630.02 - Step 6: Final answer
x = 286,751,531.55
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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.