Finding the Fourth Proportional to 561,847,202.24, 775,343,427.93 and 310,952,081.21
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Solution
The fourth proportional to 561,847,202.24, 775,343,427.93 and 310,952,081.21 is: 429,110,711.25
Step by Step Solution
- Step 1: Write the proportion equation
561,847,202.24 : 775,343,427.93 = 310,952,081.21 : x - Step 2: Convert to fraction form
561,847,202.24/775,343,427.93 = 310,952,081.21/x - Step 3: Cross multiply
561,847,202.24x = 775,343,427.93 × 310,952,081.21 - Step 4: Simplify right side
561,847,202.24x = 241,094,652,563,452,384 - Step 5: Solve for x
x = 241,094,652,563,452,384/561,847,202.24 - Step 6: Final answer
x = 429,110,711.25
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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.