Finding the Fourth Proportional to 317,759,661.86, 438,513,577.24 and 174,711,469.02
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Solution
The fourth proportional to 317,759,661.86, 438,513,577.24 and 174,711,469.02 is: 241,104,710.45
Step by Step Solution
- Step 1: Write the proportion equation
317,759,661.86 : 438,513,577.24 = 174,711,469.02 : x - Step 2: Convert to fraction form
317,759,661.86/438,513,577.24 = 174,711,469.02/x - Step 3: Cross multiply
317,759,661.86x = 438,513,577.24 × 174,711,469.02 - Step 4: Simplify right side
317,759,661.86x = 76,613,351,264,815,648 - Step 5: Solve for x
x = 76,613,351,264,815,648/317,759,661.86 - Step 6: Final answer
x = 241,104,710.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.