Finding the Fourth Proportional to 959,732,711.20, 1,439,599,066.80 and 884,149,991.20
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Solution
The fourth proportional to 959,732,711.20, 1,439,599,066.80 and 884,149,991.20 is: 1,326,224,986.80
Step by Step Solution
- Step 1: Write the proportion equation
959,732,711.20 : 1,439,599,066.80 = 884,149,991.20 : x - Step 2: Convert to fraction form
959,732,711.20/1,439,599,066.80 = 884,149,991.20/x - Step 3: Cross multiply
959,732,711.20x = 1,439,599,066.80 × 884,149,991.20 - Step 4: Simplify right side
959,732,711.20x = 1,272,821,502,242,748,160 - Step 5: Solve for x
x = 1,272,821,502,242,748,160/959,732,711.20 - Step 6: Final answer
x = 1,326,224,986.80
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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.