Finding the Fourth Proportional to 319,324,937.04, 478,985,395.55 and 171,841,968.24
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Solution
The fourth proportional to 319,324,937.04, 478,985,395.55 and 171,841,968.24 is: 257,761,870.70
Step by Step Solution
- Step 1: Write the proportion equation
319,324,937.04 : 478,985,395.55 = 171,841,968.24 : x - Step 2: Convert to fraction form
319,324,937.04/478,985,395.55 = 171,841,968.24/x - Step 3: Cross multiply
319,324,937.04x = 478,985,395.55 × 171,841,968.24 - Step 4: Simplify right side
319,324,937.04x = 82,309,793,130,243,600 - Step 5: Solve for x
x = 82,309,793,130,243,600/319,324,937.04 - Step 6: Final answer
x = 257,761,870.70
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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.