Finding the Fourth Proportional to 533,941,720,129.42, 736,902,742,194.30 and 317,168,771,115.60
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Solution
The fourth proportional to 533,941,720,129.42, 736,902,742,194.30 and 317,168,771,115.60 is: 437,730,427,052.66
Step by Step Solution
- Step 1: Write the proportion equation
533,941,720,129.42 : 736,902,742,194.30 = 317,168,771,115.60 : x - Step 2: Convert to fraction form
533,941,720,129.42/736,902,742,194.30 = 317,168,771,115.60/x - Step 3: Cross multiply
533,941,720,129.42x = 736,902,742,194.30 × 317,168,771,115.60 - Step 4: Simplify right side
533,941,720,129.42x = 233,722,537,173,481,915,678,720 - Step 5: Solve for x
x = 233,722,537,173,481,915,678,720/533,941,720,129.42 - Step 6: Final answer
x = 437,730,427,052.66
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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.