Finding the Fourth Proportional to 809,859,058.35, 1,117,599,936.53 and 438,572,593.23
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Solution
The fourth proportional to 809,859,058.35, 1,117,599,936.53 and 438,572,593.23 is: 605,227,165.52
Step by Step Solution
- Step 1: Write the proportion equation
809,859,058.35 : 1,117,599,936.53 = 438,572,593.23 : x - Step 2: Convert to fraction form
809,859,058.35/1,117,599,936.53 = 438,572,593.23/x - Step 3: Cross multiply
809,859,058.35x = 1,117,599,936.53 × 438,572,593.23 - Step 4: Simplify right side
809,859,058.35x = 490,148,702,355,452,736 - Step 5: Solve for x
x = 490,148,702,355,452,736/809,859,058.35 - Step 6: Final answer
x = 605,227,165.52
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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.