Finding the Fourth Proportional to 441,575,646.77, 609,378,422.66 and 243,344,254.07
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Solution
The fourth proportional to 441,575,646.77, 609,378,422.66 and 243,344,254.07 is: 335,817,291.53
Step by Step Solution
- Step 1: Write the proportion equation
441,575,646.77 : 609,378,422.66 = 243,344,254.07 : x - Step 2: Convert to fraction form
441,575,646.77/609,378,422.66 = 243,344,254.07/x - Step 3: Cross multiply
441,575,646.77x = 609,378,422.66 × 243,344,254.07 - Step 4: Simplify right side
441,575,646.77x = 148,288,737,704,287,264 - Step 5: Solve for x
x = 148,288,737,704,287,264/441,575,646.77 - Step 6: Final answer
x = 335,817,291.53
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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.