Finding the Fourth Proportional to 877,536,601.20, 1,316,304,901.80 and 295,077,265.20
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Solution
The fourth proportional to 877,536,601.20, 1,316,304,901.80 and 295,077,265.20 is: 442,615,897.80
Step by Step Solution
- Step 1: Write the proportion equation
877,536,601.20 : 1,316,304,901.80 = 295,077,265.20 : x - Step 2: Convert to fraction form
877,536,601.20/1,316,304,901.80 = 295,077,265.20/x - Step 3: Cross multiply
877,536,601.20x = 1,316,304,901.80 × 295,077,265.20 - Step 4: Simplify right side
877,536,601.20x = 388,411,650,592,498,496 - Step 5: Solve for x
x = 388,411,650,592,498,496/877,536,601.20 - Step 6: Final answer
x = 442,615,897.80
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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.