Finding the Fourth Proportional to 6,903,135,572.90, 10,354,640,905.75 and 2,181,458,266.07
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Solution
The fourth proportional to 6,903,135,572.90, 10,354,640,905.75 and 2,181,458,266.07 is: 3,272,167,663.16
Step by Step Solution
- Step 1: Write the proportion equation
6,903,135,572.90 : 10,354,640,905.75 = 2,181,458,266.07 : x - Step 2: Convert to fraction form
6,903,135,572.90/10,354,640,905.75 = 2,181,458,266.07/x - Step 3: Cross multiply
6,903,135,572.90x = 10,354,640,905.75 × 2,181,458,266.07 - Step 4: Simplify right side
6,903,135,572.90x = 22,588,216,996,034,891,776 - Step 5: Solve for x
x = 22,588,216,996,034,891,776/6,903,135,572.90 - Step 6: Final answer
x = 3,272,167,663.16
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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.