Finding the Fourth Proportional to 538,832,312.70, 808,248,469.05 and 232,722,296.70
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Solution
The fourth proportional to 538,832,312.70, 808,248,469.05 and 232,722,296.70 is: 349,083,445.05
Step by Step Solution
- Step 1: Write the proportion equation
538,832,312.70 : 808,248,469.05 = 232,722,296.70 : x - Step 2: Convert to fraction form
538,832,312.70/808,248,469.05 = 232,722,296.70/x - Step 3: Cross multiply
538,832,312.70x = 808,248,469.05 × 232,722,296.70 - Step 4: Simplify right side
538,832,312.70x = 188,097,440,021,574,848 - Step 5: Solve for x
x = 188,097,440,021,574,848/538,832,312.70 - Step 6: Final answer
x = 349,083,445.05
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Similar ratio
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1.5x scale
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.