Finding the Fourth Proportional to 441,575,645.26, 609,378,420.58 and 243,344,252.57
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Solution
The fourth proportional to 441,575,645.26, 609,378,420.58 and 243,344,252.57 is: 335,817,289.46
Step by Step Solution
- Step 1: Write the proportion equation
441,575,645.26 : 609,378,420.58 = 243,344,252.57 : x - Step 2: Convert to fraction form
441,575,645.26/609,378,420.58 = 243,344,252.57/x - Step 3: Cross multiply
441,575,645.26x = 609,378,420.58 × 243,344,252.57 - Step 4: Simplify right side
441,575,645.26x = 148,288,736,284,671,936 - Step 5: Solve for x
x = 148,288,736,284,671,936/441,575,645.26 - Step 6: Final answer
x = 335,817,289.46
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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.