Finding the Fourth Proportional to 346,791,722.21, 519,823,446.20 and 116,680,918.49
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Solution
The fourth proportional to 346,791,722.21, 519,823,446.20 and 116,680,918.49 is: 174,898,860.82
Step by Step Solution
- Step 1: Write the proportion equation
346,791,722.21 : 519,823,446.20 = 116,680,918.49 : x - Step 2: Convert to fraction form
346,791,722.21/519,823,446.20 = 116,680,918.49/x - Step 3: Cross multiply
346,791,722.21x = 519,823,446.20 × 116,680,918.49 - Step 4: Simplify right side
346,791,722.21x = 60,653,477,154,669,696 - Step 5: Solve for x
x = 60,653,477,154,669,696/346,791,722.21 - Step 6: Final answer
x = 174,898,860.82
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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.