Finding the Fourth Proportional to 346,865,516.48, 478,683,201.12 and 190,238,859.20
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Solution
The fourth proportional to 346,865,516.48, 478,683,201.12 and 190,238,859.20 is: 262,534,445.69
Step by Step Solution
- Step 1: Write the proportion equation
346,865,516.48 : 478,683,201.12 = 190,238,859.20 : x - Step 2: Convert to fraction form
346,865,516.48/478,683,201.12 = 190,238,859.20/x - Step 3: Cross multiply
346,865,516.48x = 478,683,201.12 × 190,238,859.20 - Step 4: Simplify right side
346,865,516.48x = 91,064,146,099,272,960 - Step 5: Solve for x
x = 91,064,146,099,272,960/346,865,516.48 - Step 6: Final answer
x = 262,534,445.69
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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.