Finding the Fourth Proportional to 775,301,889.60, 1,070,007,060.99 and 440,824,528.72
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Solution
The fourth proportional to 775,301,889.60, 1,070,007,060.99 and 440,824,528.72 is: 608,389,279.99
Step by Step Solution
- Step 1: Write the proportion equation
775,301,889.60 : 1,070,007,060.99 = 440,824,528.72 : x - Step 2: Convert to fraction form
775,301,889.60/1,070,007,060.99 = 440,824,528.72/x - Step 3: Cross multiply
775,301,889.60x = 1,070,007,060.99 × 440,824,528.72 - Step 4: Simplify right side
775,301,889.60x = 471,685,358,388,225,280 - Step 5: Solve for x
x = 471,685,358,388,225,280/775,301,889.60 - Step 6: Final answer
x = 608,389,279.99
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1.5x scale
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.