Finding the Fourth Proportional to 893,626,734.80, 1,340,440,102.20 and 618,127,720.40
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Solution
The fourth proportional to 893,626,734.80, 1,340,440,102.20 and 618,127,720.40 is: 927,191,580.60
Step by Step Solution
- Step 1: Write the proportion equation
893,626,734.80 : 1,340,440,102.20 = 618,127,720.40 : x - Step 2: Convert to fraction form
893,626,734.80/1,340,440,102.20 = 618,127,720.40/x - Step 3: Cross multiply
893,626,734.80x = 1,340,440,102.20 × 618,127,720.40 - Step 4: Simplify right side
893,626,734.80x = 828,563,184,705,629,056 - Step 5: Solve for x
x = 828,563,184,705,629,056/893,626,734.80 - Step 6: Final answer
x = 927,191,580.60
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Similar ratio
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1.5x scale
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.