Finding the Fourth Proportional to 403,168,944,365.47, 556,373,366,417.70 and 217,770,652,386.75
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Solution
The fourth proportional to 403,168,944,365.47, 556,373,366,417.70 and 217,770,652,386.75 is: 300,523,620,851.02
Step by Step Solution
- Step 1: Write the proportion equation
403,168,944,365.47 : 556,373,366,417.70 = 217,770,652,386.75 : x - Step 2: Convert to fraction form
403,168,944,365.47/556,373,366,417.70 = 217,770,652,386.75/x - Step 3: Cross multiply
403,168,944,365.47x = 556,373,366,417.70 × 217,770,652,386.75 - Step 4: Simplify right side
403,168,944,365.47x = 121,161,790,975,394,822,750,208 - Step 5: Solve for x
x = 121,161,790,975,394,822,750,208/403,168,944,365.47 - Step 6: Final answer
x = 300,523,620,851.02
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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.