Finding the Fourth Proportional to 959,732,575.20, 1,439,598,862.80 and 884,149,855.20
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Solution
The fourth proportional to 959,732,575.20, 1,439,598,862.80 and 884,149,855.20 is: 1,326,224,782.80
Step by Step Solution
- Step 1: Write the proportion equation
959,732,575.20 : 1,439,598,862.80 = 884,149,855.20 : x - Step 2: Convert to fraction form
959,732,575.20/1,439,598,862.80 = 884,149,855.20/x - Step 3: Cross multiply
959,732,575.20x = 1,439,598,862.80 × 884,149,855.20 - Step 4: Simplify right side
959,732,575.20x = 1,272,821,126,090,704,640 - Step 5: Solve for x
x = 1,272,821,126,090,704,640/959,732,575.20 - Step 6: Final answer
x = 1,326,224,782.80
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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.